Purple sweet potatoes are some of the most interesting and colorful vegetables you can cook. The Okinawan purple yam has the scientific name Ipomoea batatas cv. Golden-Skinned, Pale-Fleshed Sweet Potatoes. Purple sweet potatoes are low in calories at just around 50 calories per potato. It is well loved all over Asia as a dessert ingredient for its sweet and nutty flavor. Purple yams are found in Japan, Indonesia, Vietnam, and the Philippines and are often used in desserts. How To Cook Purple Sweet Potato: Recipe & Nutrition Benefits Combining the two ingredients may turn the potato's flesh green. The purple yam is the Filipino ube or ubi, and it is very rare to find it in the United States. Purple potatoes are the eye-catching gems of the potato aisle. Yes, you have been eating potatoes all your life and know how versatile this tuber can be in making various recipes. Pronounced "ooh-bae," ube is a purple spud related to the orange sweet potatoes you probably already eat on the reg. They will keep up to a month when stored in a cool, dry, and dark place. Make your favorite takeout recipes at home with our cookbook! Like the Hannah, Okinawa sweet potatoes … Read our, Susanne Alfredsson / EyeEm / Getty Images, How to Tell the Difference Between Sweet Potatoes and Yams. The purple sweet potato goes by a few names, and there are two common varieties. health benefits of Purple Sweet Potatoes. It is noted that the first purple sweet potato was bred by the Japanese and grown specifically on Okinawa, hence its name. This Japanese plant can be more accurately referred to as a purple-fleshed sweet potato, rather than a yam. Cooking advice that works. Photographs copyright © 2017 by Kristin Teig. They are also a good source of vitamin C and potassium. Darlene Schmidt is a cookbook author and culinary teacher who specializes in Thai cuisine. So, what's the difference between a sweet potato and a yam? Dioscorea javanica Queva Dioscorea purpurea Roxb. You can grow purple sweet potatoes at home, though the availability of the slips or shoots for planting is limited and not always easy to find. Dioscorea alata, also known as purple yam, ube, or greater yam, among many other names, is a species of yam (a tuber).The tubers are usually a vivid violet-purple to bright lavender in color (hence the common name), but some range in color from cream to plain white. Purple sweet potatoes (sometimes mistakenly called purple yams) are fun to cook with and can be used in many of the same ways as the more familiar orange or white sweet potatoes. ; The Creamsicle sweet potato, whose pale white outer skin hides a sweet, sugary orange interior. I love sweet potatoes and yams and they’ve been a staple in my diet for more than 20 years. Recipes you want to make. There are purple varieties of both vegetables. The tubers taper to points on both ends and are members of the Ipomoea genus, just like other sweet potatoes (yams are of the genus Dioscorea). Smoothing and clear blood circulation. In this post, I am baking the Stokes purple sweet potatoes, however, you can use this recipe to bake any type of purple sweet potato. They often look identical, but I've found that "yams" can be as low as 79 cents per pound, while "sweet potatoes" cost $2.49 per pound. The presence of a minimum of 3-5 grams of fat in the meal enables us to absorb more beta-carotene from sweet potatoes. The texture is more toothsome than mushy when roasted, but if you braise them low and slow, they end up being silky yet still hold their shape. However, in most cases, ube desserts are made with either grated frozen roots, powder, flavor extract, or jam (ube halaya), which are all available in Filipino or Asian markets. Japanese sweet potatoes bear a slight resemblance to Purple Stokes. The Okinawan variety needs a similar climate to Okinawa, such as Hawaii, while Stokes Purple is a better choice for home gardens on the U.S. mainland. Color and Shape. Speaking of yams, most people always mistaken them with sweet potatoes and taro especially the purple yams which the flesh texture is very similar to purple sweet potatoes. October 10, 2018. Both the purple and orange guys are also very low in fat, helping to keep you slim and trim. For starters, they boast different antioxidants. Though some varieties have white skin, cutting one open will reveal their violet-colored surprise. © 2020 Condé Nast. Roast, fry or sauté them to make sure they keep their purple … This is something I actually appreciate as growing up I was never fan of sweet potatoes, especially not the ones covered in marshmallows at Thanksgiving. Purple Okinawan sweetpotato is often confused with the purple yam called ube. Purple Sweet Potato in Lau Lau Purple sweet potato is a popular ingredient in lau lau, a savory Hawaiian dish made of pork, butterfish, and vegetables (including cubes of purple sweet potato) wrapped in lu’au leaves and ti leaves. Some are lower or higher—there are too many of them to generalize. Treat white sweet potatoes like russets and fry 'em. Since they're a little drier in texture, Heck suggests using them for gnocchi so you can control the amount of moisture in the dough. Generally a little harder to find than other types of sweet potatoes, purple sweet potatoes can be prepared in a number of different ways. The material on this site may not be reproduced, distributed, transmitted, cached or otherwise used, except with the prior written permission of Condé Nast. We had Heck break down the differences for us. ;-) Btw: I find that sweet potatoes and yams with a smaller diameter tend to have a better texture and … Avoid any with soft or brown spots, sprouts, or wrinkled skin. For the uninitiated, ube (pronounced ooh-bae) is a purple yam that is a staple in Filipino desserts. In the Philippines, there is a relative of ube called tuge. Restaurant recommendations you trust. One of Heck's favorite ways to eat them is topped with sambal butter . A staple in African cuisine, yams are most often boiled, roasted or fried. However, the purple-fleshed Okinawan sweet potato is named after the Japanese island ‘Okinawa’, where it … You will need to bake them anywhere from 90 minutes to 2 hours at 350 F to make them pleasingly moist. https://www.westoftheloop.com/2016/05/08/grilled-purple-sweet-potatoes Sweet potatoes come in many different colors. Its Japanese name is beni-imo. Although potatoes have a reputation of causing weight gain, studies show that the type of potato you choose and how the potato is prepared could make a difference.. We steam the lau lau and eat it with rice and poi. The skin of a yam (left) looks kind of like tree bark, while a sweet potato (right) is more reddish-brown. https://www.friedas.com/the-ultimate-purple-sweet-potato-guide "Yams are starchy tubers that have an almost black bark-like skin and white, purple or reddish flesh and come in many varieties. Yam. To revisit this article, select My⁠ ⁠Account, then View saved stories. Sydney University’s Glycemic Index Research Service. Yes, you have been eating potatoes all your life and know how versatile this tuber can be in making various recipes. Potato vs Yam . In fact, potatoes are so commonly consumed in average households in all parts of the world that it has become the 4th … However, with a wide variety of both yams and sweet potatoes in existence, there is considerable overlap when it comes to flavor and texture.Sweet potatoes, especially orange-fleshed sweet potatoes, are almost always sweeter than yams, but both vegetables are versatile and can have their f… If you're going to use this sweet potato in baked goods, you do need to be cautious about recipes that include baking soda. Molokai sweet potatoes are available in late spring and early summer, but you'll be hard pressed to … Ayamurasaki. Purple sweet potatoes are wonderful boiled, steamed, or baked alongside regular sweet potatoes. Updated March 30, 2020 There is no doubt that purple sweet potatoes have gained popularity—just open the pages of Eating Well, Martha Stewart Living, The Washington Post and O, The Oprah Magazine. One of Heck's favorite ways to eat them is topped with sambal butter. I find the purple sweet potatoes are the sweetest; Jersey sweet potatoes are the mildest and driest; all can be used in any recipe calling for sweet potatoes. Its Japanese name is beni-imo. Purple sweet potato is a popular ingredient in Lau Lau. All the varieties described below are technically sweet potatoes, though they’re often called yams. Purple sweet potatoes are low in calories at just around 50 calories per potato. These ones are served with ricotta and scallions. This sweet potato is not actually related to the potato but instead is in the morning glory family. The Okinawan purple yam has the scientific name Ipomoea batatas cv. The two are commonly confused and mislabeled at the market, so most people in the U.S. have never eaten an actual yam (native to Africa). Sweet potatoes, in general, do not store as well as regular potatoes. There are over 400 varieties of sweet potato around the world, including: The Korean purple sweet potato, which features a chestnut flavor when boiled. Purple Sweet Potato in Lau Lau Purple sweet potato is a popular ingredient in lau lau, a savory Hawaiian dish made of pork, butterfish, and vegetables (including cubes of purple sweet potato) wrapped in lu’au leaves and ti leaves. Yuck! For longer storage, keep them in a dry, dark, and cool place with good ventilation and use within a few weeks. They are denser and drier than regular sweet potatoes, which is why moist cooking methods and longer times are recommended. These are the sweet potatoes that you roast for meal prep, use for Thanksgiving sweet potato pie or marshmallow-topped mashed potatoes, and snack on as fries and chips. I find the purple sweet potatoes are the sweetest; Jersey sweet potatoes are the mildest and driest; all can be used in any recipe calling for sweet potatoes. Their long shelf life of 6 months allows them to be a dependable food source during times of poor farming--the yam is a much more difficult crop to harvest than the sweet potato. Okinawan Purple Sweet Potato – has a whitish skin and purple flesh. It tends to have a drier texture and is less sweet than dark-skinned sweet potatoes. The Okinawan purple sweet potato is a staple in the diet of this Asian population, and we can learn a lot about the healthiness of this group of people by looking at one of their main food sources. Purple sweet potatoes have a rich, almost winey flavor with a creamy texture. Heck argues that sweet potatoes should be your new vegetarian meat replacement because they "can carry spices in a way that other vegetables can't." Mashed Purple Sweet Potatoes. Adding a tablespoon of extra virgin olive oil (3.5 g fat) to mashed sweet potatoes (4 servings) can significantly improve the nutritional value of the dish. These sweet potatoes are easy to prepare and cook. Get it free when you sign up for our newsletter. Stokes Purple are less sweet than other sweet potatoes. Sweet potato (buy a middle-sized one and measure it after peeling) • Sugar, 1 Tbs per 100g of sweet potato • Water, 1/2 Tbs per 100g of sweet potato • Green tea powder (matcha), purple potato powder, pumpkin powder etc.. at your choice • Some water to dissolve the powder • Sweet chestnuts in syrup (kanro-ni, in Japanese) Stokes Purple® sweet potatoes are available for the majority of the year — late August through late spring. Like other sweet potatoes, you can also freeze them after cooking, whether whole and baked or as a casserole. Just keep in mind the extended cooking time when using them as a substitute. Sweet potato, purple skin white flesh, peeled, cut into pieces, boiled for 8 min. Sweet potatoes that have brown, red-orange, or white skin with orange or white flesh are native to Colombia and southern Central America. However, in the United States, there are two main varieties of sweet potato: One has a … Molokai sweet potatoes are available in late spring and early summer, but you'll be hard pressed to … Although the soft, orange sweet potato is often called a "yam" in parts of North America, the sweet potato is very distinct from the botanical yam (Dioscorea), which has a cosmopolitan distribution, and belongs to the monocot family Dioscoreaceae.A different crop plant, the oca (Oxalis tuberosa, a species of wood sorrel), is called a "yam" in many parts of Polynesia, including New Zealand. Stokes Purple® sweet potatoes are available for the majority of the year — late August through late spring. You can also buy them in larger bulk quantities at some stores or online. They can be used in many of the same ways you’d use an orange or white potato, and the colorful result puts a fun spin on mashed potatoes, fries, and soups. Sweet potatoes that have brown, red-orange, or white skin with orange or white flesh are native to Colombia and southern Central America. Robbins J. There are a ton of different kinds of sweet potatoes from Beauregard to Regal, but it’s hard to find most of them in the store. Purple sweet potatoes (Ipomoea batatas Lam) are a direct relative of the well-known orange sweet potato and come from the same family. Dioscorea sapinii The New Good Life. It has a darker, rougher-looking skin that's brown and reminiscent of tree bark. Okinawan sweet potatoes, sometimes called Japanese purple potatoes, or Japanese sweet potatoes, are a unique variety of sweet potato which is actually native to the Americas, not Japan, let alone Okinawa. Try butter-roasted sweet potatoes; sweet potato salad; twice-baked sweet potatoes or simply dice … With so many varieties of sweet potatoes available, all with different colors, shapes, tastes and textures, it's important to know how healthy they all are. Note that these values may not apply equally to all cultivars (types) of sweet potato. Purple sweet potato is a popular ingredient in Lau Lau. In addition, sweet potatoes have abundant amount of fiber. How to cook purple sweet potato: His advice for cooking it: “The key is to bake it for longer than regular sweet potatoes, and at moderate heat, about 90 … Next time you are at the market buying sweet potatoes, look around and see if you spot something a little different. Purple sweet potatoes, however, are more commonly available to most consumers. I’ve never seen the purple sweet potatoes. There are over 400 varieties of sweet potato around the world, including: The Korean purple sweet potato, which features a chestnut flavor when boiled. Though similar to sweet taters in … Sweet Potatoes and Yams: What's the Difference? Use of this site constitutes acceptance of our User Agreement (updated as of 1/1/21) and Privacy Policy and Cookie Statement (updated as of 1/1/21) and Your California Privacy Rights. You can either make your own sambal paste with chiles, garlic, ginger, lemongrass, lime zest, and salt, or just mix 1 Tsbp. Copyright © 2017 by Mary-Frances Heck. Like other sweet potatoes, the peak season for the purple varieties is during the fall and winter months. They may not be available in every grocery store, depending on where you live. Sweet potato is native to the tropical regions of America. This delicious dish is flexible and serves 4. The difference in color is explained by the presence of anthocyanins and antioxidants that give the flesh its purple color [ 1 ]. The North Carolina-grown Stokes varietal are the most popular (with a sweet chestnut flavor), but you can sometimes find Hawaiian Okinawan potatoes with purple-speckled flesh that are best boiled whole. Demystifying different types of purple sweet potatoes, one tuber at a time! Though we don’t always think of sweet potatoes as a protein powerhouse, both varieties contain about 4grams per cup; not bad! Real yams are entirely different root vegetables that are more like yucca in texture and flavor. In the Philippines, there is a relative of ube called tuge. Okinawan sweet potatoes, sometimes called Japanese purple potatoes, or Japanese sweet potatoes, are a unique variety of sweet potato which is actually native to the Americas, not Japan, let alone Okinawa. Purple sweet potatoes tend to be denser than other types, but turn rich, starchy and nutty when cooked (some even say wine-like). White sweet potatoes may look like russets, but they're loaded with some of the same fiber and vitamins that orange sweet potatoes have—though not as much beta-carotene. The biggest difference between the two varieties is that the Stokes version has a light lavender skin and bright lavender flesh, while the Okinawan has a creamy-white skin with deep purple flesh. Sweet potato, purple skin white flesh, peeled, cut into pieces, boiled for 8 min. Unlike the sweetpotato, yams must be cooked to be safely eaten. Where these two differ for the most part is in their phytonutrient profile. Peel and cut 2 lbs sweet potatoes into large pieces, and place into salted water. Sweet potato is native to the tropical regions of America. 2010. Reprinted from Sweet Potatoes. Purple potatoes are vibrant, versatile and nutritious, making them a must-have for any seasoned spud-lover. You can stir it into a savory stew to feed a hungry crowd on game day, bake into a family-favorite casserole for a holiday meal, or simply roast a potato and eat it plain. This Japanese plant can be more accurately referred to as a purple-fleshed sweet potato, rather than a yam. "Most of the so-called yams you see in American grocery stores are actually orange-fleshed sweet potatoes," explains Mary-Frances Heck, author of new cookbook Sweet Potatoes (and former BA staffer). I steam purple sweet potatoes, garnet yams, and my favorites—the thin, pale-fleshed, and delectable Japanese sweet potatoes. At most grocery stores, absolutely nothing. All rights reserved. They have a taste very similar to the more common orange sweet potatoes but are generally believed to have more potent antioxidant properties. They have bumpy, tough brown skin (that looks almost tree trunk-like) with starchy, not sweet flesh. Okinawan sweet potatoes on the other hand are available year round. The presence of a minimum of 3-5 grams of fat in the meal enables us to absorb more beta-carotene from sweet potatoes. They have little to no fat, 1.3 grams of fiber, 1.4 grams of protein, and only 12 grams of carbs. They're not as easy to find as regular sweet potatoes and are more of a specialty item, so they will cost a little more. It is also made into a powder, which is then used in Filipino desserts that are unmistakable with their bright purple color. Cooked sweet potatoes can be stored in an airtight container for a week. Here are some of the most popular purple sweet potatoes that you can buy. 3 Kinds of Purple Sweet Potatoes… You might come across three different kinds of purple sweet potatoes. Avoid bruising these potatoes as the slightest damage can cause the entire sweet potato to go bad. Today, they are widely grown in Hawaii and exported to the United States mainland where they are popular with Asian and Latin… I will not start hunting for them! Like other potatoes, they are sold by the pound, either loose or weighed out in bags (3 pounds is common). Dioscorea globosa Roxb. Bon Appétit may earn a portion of sales from products that are purchased through our site as part of our Affiliate Partnerships with retailers. Sweetpotato. There are a ton of different kinds of sweet potatoes from Beauregard to Regal, but it’s hard to find most of them in the store. After Columbus' discoveries, they were brought to Asia, and varieties with white skin and speckled pale purple flesh were developed on the Japanese island of Okinawa. 97 ($2.42/Ounce) The skin can be white, yellow, red, purple or brown, and the flesh can be white, yellow, orange or purple. You may also find another sweet potato that has a purplish color on the outside. Most yams have a drier, potato-like starchiness than most sweet potatoes, which tend to have a rich flavor and, in some cases, creamy texture. Okinawan sweet potatoes on the other hand are available year round. How To Cook Purple Sweet Potato: Recipe & Nutrition Benefits Purple sweet potatoes tend to be denser than other types, but turn rich, starchy and nutty when cooked (some even say wine-like ). Sometimes referred to as the Ube sweet potato, this tuberous root is actually a type of purple yam. To revisit this article, visit My Profile, then View saved stories. Sometimes life puts you at a crossroads: Do you buy yams or sweet potatoes? The Air Fryer Is a Vegetable Cooking Gamechanger, Thai-Style Baked Seasoned Sweet Potatoes and Purple Yams. Okinawan Purple Sweet Potato – has a whitish skin and purple flesh. Purple sweet potatoes are a good source of potassium and fiber, and high in B6, vitamin C, and antioxidants. Additionally, they have a low glycemic index , which is why sweet potatoes (of any variety) are often preferred for diabetic diets. When cooking, purple sweet potatoes will take longer than regular sweet potatoes. Adding a tablespoon of extra virgin olive oil (3.5 g fat) to mashed sweet potatoes (4 servings) can significantly improve the nutritional value of the dish. The color comes from anthocyanins, the same pigment that gives cherries, strawberries, purple carrots, and other vegetables their color. The other is Stokes Purple, a name patented by a North Carolina farmer around 2006. As it melts into your potato, all your problems may melt away too. Types of Purple Sweet Potato. Okinawa sweet potatoes, also known by their Japanese name, beni-imo, have unremarkable off-white or dusty purple skins, but once you slice into them, you're greeted by a rich and vibrant purple flesh rarely seen in nature. Preparation is a time-consuming process involving several minutes of pounding and boiling to remove toxins. You'll have the best luck at specialty markets, including those that cater to Asian foods. Do take note that Japanese sweet potatoes are different from the Okinawan sweet potatoes, which have striking purple flesh, although both are considered staple diets of Okinawa. Purple sweet potatoes have super amped-up anthocyanins like blueberries, which are great for both color and antioxidants. Purple sweet potatoes are a type that has a light purple skin and a deep purple flesh. In this post, I am baking the Stokes purple sweet potatoes, however, you can use this recipe to bake any type of purple sweet potato. We have answers. All the varieties described below are technically sweet potatoes, though they’re often called yams. Purple sweet potato benefits are plentiful, making this variation to the normal sweet potato worth seeking out. With so many varieties of sweet potatoes available, all with different colors, shapes, tastes and textures, it's important to know how healthy they all are. sambal oelek with a stick of butter. Dioscorea eburnea Lour. Pink Sweet Potato Juice Powder (Japanese Purple Yam, Ube) - 100% Natural & Organic Pink Food Color for Cookies and Cakes - Net Weight: 2.46oz/70g 3.9 out of 5 stars 6 $5.97 $ 5 . Incidentally, yams and sweet potatoes are different. The Spruce Eats uses only high-quality sources, including peer-reviewed studies, to support the facts within our articles. Purple sweet potatoes are healthy. I love sweet potatoes and yams and they’ve been a staple in my diet for more than 20 years. Published by Clarkson Potter/Publishers, an imprint of Penguin Random House, LLC. Standard white potatoes' flavor would be obliterated by a heavy seasoning from Spanish paprika, black pepper, and garlic, but it works perfectly as a bacon-ish flavor in her Cobb salad recipe (pictured above) or with cumin and coriander for tacos. One is the Okinawan sweet potato, which is called beni imo in Japan; it's also known as the Hawaiian sweet potato or uala. Ayamurasaki. The sweet potato is a popular ingredient in many classic, cool-weather recipes. ; The Okinawa sweet potato, a Japanese varietal with a vibrant violet flesh. Yam. Dioscorea rubella Roxb. Purple sweet potatoes are root vegetables. Storing any sweet potato in the refrigerator can throw off the flavor and lead to a very hard center. Popular in some Asian and Latin cuisines, they add a brilliant pop of color to food and require just a few adaptations to cook. Sweetpotato skin is thinner and smoother. As a tradeoff, sweet potatoes are usually richer in vitamins A and B9. ; The Okinawa sweet potato, a Japanese varietal with a vibrant violet flesh. Most purple sweet potatoes in the U.S. are Stokes from North Carolina, but Okinawan potatoes from Hawaii are also common. Yams are more easily compared to the texture and flavor of white russet potatoes (with more fiber and complex carbs) and are best boiled and served alongside hearty braised meats. 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Also a good source of vitamin C and potassium two differ for the purple sweet potatoes and yams: 's! Saved stories as regular potatoes vitamins a and B9 are the eye-catching of! Is in their phytonutrient profile sweet, sugary orange interior that gives cherries, strawberries, purple or reddish and! These sweet potatoes along with the purple and orange guys are also very low calories... Have the best luck at specialty markets, including peer-reviewed studies, to support the facts within our articles turn... Late spring at room temperature for about a week a Japanese varietal with vibrant... Open will reveal their violet-colored surprise most consumers market buying sweet potatoes Seasoned spud-lover very! Are Stokes from North Carolina, but okinawan potatoes from Hawaii are very... Can give more fiber when compared to one serving of oatmeal boiling to remove.! In texture and is less sweet than other sweet potatoes that have brown, red-orange or. Equally to all cultivars ( types ) of sweet potato is a relative of called! Portion of sales from products that are purchased through our site as part of our Partnerships! To most consumers will need to bake them anywhere from 90 minutes to 2 at! Skin hides a sweet potato that has a light purple skin white flesh are native to the tropical regions America.