How Long To Cook Sweet Potatoes In Instant Pot

ByLily

Instant Pot sweet potatoes come out perfectly tender under high pressure, and the timing barely changes whether you cook one or several. So if you are wondering how long to cook sweet potatoes in instant pot, the short answer is 15 to 18 minutes at high pressure for medium potatoes. Smaller ones need less time, bigger ones need a bit more.

This guide covers exact timings by size, plus quick release vs natural release, and how to get that soft, scoopable texture every time.

How Long To Cook Sweet Potatoes In Instant Pot

The cooking time depends mostly on the size of the potato, not the quantity. A steamer basket lets you stack several without crowding.

  • Small sweet potatoes (5 to 6 oz): 12 to 14 minutes
  • Medium sweet potatoes (8 to 10 oz): 15 to 18 minutes
  • Large sweet potatoes (12 oz or more): 20 to 25 minutes
  • Sweet potato cubes (1 inch pieces): 4 to 6 minutes

Always add 1 cup of water to the inner pot. The potatoes cook in the steam, not in the water. Use a trivet or steamer basket so they sit above the liquid.

Quick Release Vs Natural Release

For whole sweet potatoes, do a 10 minute natural release, then turn the valve to venting. This lets the inside finish cooking gently.

If you release the pressure right away, the outside may be soft while the center stays firm. A short natural release fixes that.

For cubes, a quick release is fine. They cook fast and you dont want them turning to mush.

Step By Step Instructions

  1. Wash and scrub the sweet potatoes. Prick each one a few times with a fork.
  2. Pour 1 cup of cold water into the Instant Pot inner pot.
  3. Place a trivet or steamer basket inside.
  4. Arrange the potatoes on the trivet. Do not stack them more than two deep.
  5. Close the lid and set the valve to sealing.
  6. Press Pressure Cook or Manual. Set High Pressure for 15 minutes for medium potatoes.
  7. Let the pot sit for 10 minutes after the beep, then move the valve to venting.
  8. Open the lid once the pin drops. Test doneness with a knife. It should slide in with no resistance.

If the potato is still firm in the middle, put the lid back on and cook for 2 to 3 more minutes at high pressure.

How Many Potatoes Can You Cook At Once

You can cook 4 to 6 medium sweet potatoes in a 6 quart Instant Pot. The cook time stays the same as long as they are similar in size.

The key is not to overfill. Leave some room for steam to move around. If the potatoes are packed tight, they steam unevenly and some stay hard.

For a 3 quart model, stick to 2 or 3 medium potatoes. For an 8 quart, you can fit 8 or more.

Do You Need To Peel Them First

No. The skin holds the shape together and keeps the flesh from getting waterlogged. You can peel after cooking, when the skin slips off easily.

Peeled cubes work too, but they cook faster and can fall apart. Keep them in larger chunks if you plan to peel first.

Tips For Perfect Results Every Time

  • Pick potatoes that are roughly the same size so they finish together.
  • Dont skip the trivet. Sitting in water makes them soggy.
  • Use cold water, not hot. It comes to pressure at a steady rate.
  • Test with a knife before you release all the pressure.
  • Let leftovers cool, then store them in the fridge for up to 5 days.

A common mistake is cooking by the clock alone. Ovens and stovetops vary, and so do potatoes. A 10 oz potato from one store can be denser than the same weight from another. Use the times above as your starting point, then adjust by 2 minutes up or down based on what you see.

Using The Results

Once your sweet potatoes are done, you have options. Mash them with butter and a pinch of salt. Scoop out the flesh for casseroles or soups. Slice them for a quick side dish.

You can also chill them whole and reheat later. They hold up well for meal prep. Just avoid reheating them in the Instant Pot again, since they will overcook. A microwave or oven works better for round two.

Common Questions About Timing

Can I Cook Frozen Sweet Potatoes

Yes, but add 5 to 8 minutes. A frozen medium potato needs about 20 to 25 minutes at high pressure. The skin may split, but the inside cooks fine.

Why Are My Sweet Potatoes Still Hard

Either the size was larger than you thought, or the pot didnt reach full pressure. Check the seal and the valve. Add 3 minutes and try again.

Does The Water Amount Matter

One cup is the standard for a 6 quart pot. Too little water can trigger a burn notice. Too much water does not hurt the potatoes, but it takes longer to come to pressure.

Can I Stack Them On Top Of Each Other

Yes, two layers is fine. Just rotate the top layer so the potatoes rest in the gaps of the bottom layer. This helps steam reach every side.

With these times and steps, you can get tender sweet potatoes on the first try. Start with 15 minutes for medium ones, adjust from there, and you will have a reliable method for busy weeknights.

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