Sweet potatoes are highest and purple potatoes are considerably lower than sweet potatoes or Russets. What does purple sweet potato taste like? What's the Difference Between Turnips and Rutabagas? The same anthocyanin that makes food look pretty is touted as having beneficial health effects. Roast, fry or sauté them to make sure they keep their purple color. Cooked sweet potatoes can be stored in an airtight container for a week. 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. Avoid bruising these potatoes as the slightest damage can cause the entire sweet potato to go bad. Read our, Susanne Alfredsson / EyeEm / Getty Images, How to Tell the Difference Between Sweet Potatoes and Yams. They are denser and drier than regular sweet potatoes, which is why moist cooking methods and longer times are recommended. Sydney University’s Glycemic Index Research Service. Foods with a GI of 70 or higher cause a more rapid increase in blood sugar compared with foods with a medium GI of 56–69 or a low GI of 55 or less. Potato vine (Solanum laxum) and potato bush (Solanum rantonnetii) belong to the same family, which includes more than 1,400 species of plants worldwide. Purple sweet potatoes tend to be denser than other types, but turn rich, starchy and nutty when cooked (some even say wine-like). Sweet potatoes are grown underground while yams grow on a vine above the ground, though yams do look like a tuber. Like other potatoes, they are sold by the pound, either loose or weighed out in bags (3 pounds is common). There are several ways to cook purple sweet potato: steam, boil, bake, or microwave. purple sweet potato) is a versatile, flavorful, and healthy root veggie you can eat on its own or add to all sorts of baked goods. The New Good Life. Sweet potato, purple skin white flesh, peeled, cut into pieces, boiled for 8 min. It will take anywhere from 90 minutes to 2 hours at 350 F to make them pleasingly moist. Sweet potatoes are often touted as being healthier than white potatoes, but in reality, both types can be highly nutritious. 2010. Both sweet and regular potatoes provide a variety of nutrients, including carbs, fiber, vitamin C, and antioxidants. Purple sweet potato, also called ube (and pronounced ‘oo-bae’) is popular in the Philippines and used mainly in desserts. The purple yam is the Filipino ube or ubi, and it is very rare to find it in the United States. They also offer these 7 health and nutrition benefits. Here are 7 surprising health benefits of purple…, You can eat sweet potatoes if you have diabetes. Try butter-roasted sweet potatoes; sweet potato salad; twice-baked sweet potatoes or simply dice and roast in … Purple sweet potatoes are wonderful boiled, steamed, or baked alongside regular sweet potatoes. 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