Why It's Usually A Mistake To Boil Sweet Potatoes - Chowhound (2024)

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Why It's Usually A Mistake To Boil Sweet Potatoes - Chowhound? ›

Bake, don't boil

To be specific, Sapola says that roasting sweet potatoes can take their glycemic index score from a 60 to a 90—pretty drastic for such a simple change. Now, experts will usually advise against boiling your vegetables, since you lose many of their valuable nutrients in the cooking water.

Sweet potatoes are rich in oxalate content and can result in the formation of kidney stones. Consuming sweet potatoes in excess can result in sweet potato side effects such as Vitamin A toxicity, which is manifested in skin rashes and headaches.

Cut into eighths and place in a large pot. Add enough water to just cover the potatoes, and a pinch of salt. Boil sweet potatoes for 15 to 20 minutes, until they are tender when pierced with a fork. It will take less time if you cut the sweet potatoes into smaller pieces.

Boiling may theoretically be best, but sweet potatoes are so incredibly healthy that the actual best way to prepare them is whichever way will get you to eat the most of them! The exception is deep frying, which can lead to the formation of acrylamide, a potential human carcinogen.

When boiled, sweet potatoes are low on the glycemic index (GI), which means they won't raise your blood sugar as quickly as high-GI foods. Heart disease. Research shows that sweet potatoes can lower your LDL "bad" cholesterol, which may lower your odds of heart problems.

When you heat a sweet potato, an enzyme starts breaking down it's starch into a sugar called maltose. Maltose is made up of two glucose molecules bound together, and tastes about a third as sweet as regular table sugar, also known as sucrose. Maltose contains no fructose.

Boiled sweet potatoes affect blood sugar levels far less than other varieties, such as fried, roasted, or baked versions. Longer boiling times reduce the GI further. To support better blood sugar control, it's best to select healthy cooking methods and enjoy sweet potatoes in moderation.

If you enjoy sweet potatoes, you can absolutely enjoy them daily. However, eating multiple sweet potatoes every day could cause a harmless condition called carotenodermia, where your skin turns yellow-orange. You may also want to be cautious about your sweet potato intake if you have a history of kidney stones.

How to tell if sweet potatoes have gone bad. If your sweet potato is soft in spots, smells rotten, or oozes a mysterious liquid, that potato should be discarded. Another sign that sweet potatoes have taken a turn for the worse is if they start growing stalky purplish sprouts.

Do you boil sweet potatoes peeled or unpeeled? ›

If you're short on time, I recommend cooking them whole. Plus, boiling sweet potatoes whole with skin is the best way to get perfect texture without overcooking them.

Generally, diced sweet potatoes take 7 to 12 minutes; cubed sweet potatoes take 12 to 15 minutes; and whole potatoes take anywhere between 20 to 50 minutes, depending on size. You'll know the potatoes are done when they reach a fork-tender consistency, or when the flesh easily yields to the tip of a sharp knife.

Yes, you can eat sweet potato skin, whether it's an orange, white or purple sweet potato. So the next time you make sweet potatoes, try keeping the skin on. Not only will it save you prep time and add a textural component to the dish, but there are also nutritional benefits to leaving the peel on.

And, if you're worried about nutrients. Don't. All foods lose some of their nutritional value once they've been cooked. But, microwaved sweet potatoes actually retain more of their nutrients as opposed to boiled 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.

Unfortunately, yes! If your sweet potatoes cook too long in the oven they can overbake and become dry. The insides will become mushy. Moving your sweet potato cubes around and checking them periodically can help avoid overcooking.

Boiling is thought to alter the chemical structure of the sweet potato, preventing spikes in blood sugar levels by allowing the starch to be more easily digested by enzymes in your body ( 3 , 4 , 5 ).

Conversely, the starch content of the boiled potatoes was around 5% lower than that of the baked potatoes (14.5% ± 1.1% vs. 19.5% ± 1.2% and 10.3% ± 0.1% vs. 15.8% ± 1.3%, for white and sweet potatoes, respectively).

Boiling potatoes causes water-soluble nutrients, such as vitamin C and potassium, to leach out ( 2 ). This results in slightly less nutritious potatoes. The longer you boil, the more nutrients are lost. Boiling potatoes in their skin helps to retain some of the water-soluble nutrients.

Boiling Sweet Potatoes for Sweet Potato Pie

The water removes some of the potato's flavor and nutrients, and the pie can turn out watery. Baking the potato in the oven will concentrate its sweetness, resulting in a better pie.