Sweet potatoes | How to prepare vegetables | Kikkoman Corporation (2024)

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Sweet potatoes | How to prepare vegetables | Kikkoman Corporation? ›

Cut sweet potatoes into wedges; toss with olive oil. Place in roasting pan; season with salt and pepper. Roast in 400 degree oven about 30 minutes or until tender. Drizzle with soy sauce and vinegar; roast 5 minutes more or until lightly browned.

Raw sweet potatoes should not be refrigerated. Store in a cool, dry, dark place, unwrapped, for up to two months or at room temperature for up to a week. Cooked sweet potatoes can be stored in the refrigerator, frozen, dried or canned.

The best time to plant sweet potato plants is after the ground is thawed and after the last spring frost date has passed. If the ground doesn't freeze in your location, then the best time to plant is usually a month after your last spring frost date.

Answer. Sweet potatoes are considered a starchy vegetable, but they are also a great source of nutrition. Starchy vegetables are usually higher in calories than non-starchy vegetables which have higher water contents and fewer calories (cucumber, lettuce, peppers, etc.).

If some of your slips are ready a bit before planting time, it's easy to hold them in a jar of water for a few weeks (they will continue to make roots). Plus, sweet potatoes will keep producing new slips over a period of a few weeks, so this gives you some flexibility.

Storing raw sweet potatoes in the freezer will actually make them spoil faster, however it's best to keep baked sweet potatoes or cooked yams in the freezer. Because sweet potatoes are so popular in many recipes around Thanksgiving, it's recommended to store your cooked sweet potato leftovers in the freezer.

The best way to store your sweet potatoes is in a cool, dry, and dark area, like your pantry or the back corner on your kitchen countertop. Keep them in a bowl or basket so that they're self-contained, and always thoroughly wash and scrub their skin before you cook them.

Choose the Right Fertilizer: Select a balanced, all-purpose fertilizer with equal parts nitrogen (N), phosphorus (P), and potassium (K). A fertilizer labeled as 10-10-10 or similar works well for sweet potatoes.

One potato tuber will often produce more than a handful of sprouts or slips. These slips are removed from the original tuber by a careful twist, or, by keeping them attached to the tuber and slicing them off. Each of those slips can grow into a plant that can produce about 6 sweet potatoes.

Sweet potatoes produce long vines that need plenty of space to grow. In climates where summer is hot, mulching before the vines get too long will help keep your sweet potato patch moist and weed-free. Sweet potatoes are ready to dig when the vines start yellowing at the end of the season.

Can a diabetic eat sweet potatoes? ›

You can still eat sweet potatoes if you have diabetes, assures Huff. The fiber content in sweet potatoes, especially if you consume them with the skin on, can help reduce spikes in your blood sugar. Plus, how you cook your sweet potatoes can also help reduce the extent to which your blood sugar rises.

Though they can both be part of a healthy diet, sweet potatoes are generally healthier than regular potatoes, partly because of their incredibly high vitamin A content. Sweet potatoes are also lower on the glycemic index, meaning that they are less likely than regular potatoes to make your blood sugar spike.

Yams and sweet potatoes differ in flavor and appearance, and they are not related. Sweet potatoes are in the morning glory family, while yams belong to the lily family. Yams aren't as sweet as sweet potatoes, and they are starchier and drier. Their texture and flavor are more similar to potatoes or yuca.

To cure roots, hold them at 85 degrees F with 90 to 95 percent relative humidity (RH) for 4 to 7 days. After curing, reduce the storage temperature to 55 to 60 degrees F at 80 to 85 percent RH. Most properly cured sweet potato cultivars will keep for 4 to 7 months.

Traditional methods recommend storing sweet potatoes in some sand, but you can also use a box or perforated plastic bag in the right temperatures and conditions. Curing is crucial to storing sweet potatoes for winter successfully. Harvest the potatoes in a dry period if possible.

The key is to keep sweet potatoes somewhere that's cool and dry, and never exposing them to moisture. You may want to look into getting some paper bags or a breathable food storage container to store your sweet potatoes separately, since placing them near other fruits and vegetables could cause them to ripen quickly.

Sweet potatoes can maintain excellent quality for up to a year in proper storage conditions. The ideal storage conditions for sweet potato are the same as for winter squash; moderately warm (55-60F) at 60-75% relative humidity. - excerpted from the New England Vegetable Management Guide, nevegetable.org.