Types of Sweet Potatoes That You Should Peel.  But what about when they turn green? The sweet potato is a popular ingredient in many classic, cool-weather recipes. This is why potatoes should be kept in a cool, dark place for maximum shelf life. Dice the sweet potatoes on a clean cutting board in about 1 inch (2.5 cm) squares. They don’t need to be soaked like regular potatoes and can be peeled and chopped up to 3 or 4 days in advance. Sweet potatoes are so much more than the marshmallow-topped holiday side dish you had growing up. Question: Recently, perfectly good-looking sweet potatoes when baked and opened seemed to have green areas and in one instance an entirely light green color. Set sweet potato starts into the garden about the same time you set out tomato transplants in spring. Once they are removed, oxidation begins. If you bake or especially when you microwave your sweet potato whole, you may notice a dark discoloration right under the peel as you peel … You can add some acid to the water if you like, but it's not really necessary. Potatoes, along with apples, pears, bananas, and peaches, contain an enzyme that, when exposed to oxygen, reacts to produce discoloration on the surface of the potato or fruit. With raw potatoes, sweet potatoes, apples, avocadoes, etc., when you peel them and they are exposed to oxygen, the oxidation process begins turning them brown/grey. SINGAPORE - Sweet potatoes that turn green are safe to eat, the Agri-Food & Veterinary Authority of Singapore (AVA) clarified on Monday in response to … Use raw, peeled, diced sweet potatoes if you are going to freeze them. Use a vegetable peeler to remove all of the skin. Why Potatoes Turn Gray . Potato skins and fruit peels are the natural ways oxygen is blocked from reaching this enzyme. Don’t be afraid to use them in place of regular potatoes in your favorite recipes. Potatoes of all kinds will blacken after peeling. Here's an important piece of information that my mother taught me years ago, but fewer and fewer people these days seem to know about. Sweet potatoes are usually grown from slips started from roots (to start your own add another 40 days). They’re a great source of beta-carotene, Vitamin A, and Vitamin C. Most of us are aware that we shouldn’t eat green potatoes. You can toss ’em on the grill, use them in soups and even turn them into dessert. Try putting each potato in cold water while you peel the rest. Next time you are at the market buying sweet potatoes, look around and see if you spot something a little different. 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. The flesh of sweet potatoes has that scrumptious sweet taste that anyone can surely love. There are so many ways to cook (and eat) sweet potatoes—including for breakfast! If you prefer, you could also cut the potatoes into wedges or fries. If you plan on doing these ahead of time, make sure to keep them in a sealed bag or container and refrigerate until you plan on using them. Usually, they have an orange color, but other varieties are found to have other colors, like red, white, and violet. Sweet potatoes require loose, well-drained soil and about 100 very warm days. Sweet potatoes are far more forgiving than their classic cousins. I do this with both whole and cut potatoes.