How Long To Cook Sweet Potatoes In Pressure Cooker

ByLily

Pressure cooking whole sweet potatoes delivers fork-tender results in a fraction of the time traditional methods require. If you want to know exactly how long to cook sweet potatoes in pressure cooker, the short answer is 15 to 20 minutes for medium whole potatoes under high pressure. Smaller ones finish in about 12 minutes, while very large potatoes can take up to 25 minutes.

This guide gives you exact times, simple steps, and easy tips. You will also learn how to pick the right size, release pressure safely, and tell when they are done.

How Long To Cook Sweet Potatoes In Pressure Cooker

Timing depends mostly on size, not weight. A kitchen scale helps, but eyeballing works fine too. Below is a quick reference chart you can follow.

  • Small sweet potatoes (under 6 ounces): 12 to 14 minutes
  • Medium sweet potatoes (6 to 10 ounces): 15 to 18 minutes
  • Large sweet potatoes (10 to 16 ounces): 18 to 22 minutes
  • Very large sweet potatoes (over 16 ounces): 22 to 25 minutes
  • Cut into chunks (2-inch pieces): 8 to 10 minutes

These times are for electric pressure cookers like Instant Pot and stovetop models on high pressure. Always add 1 cup of water to the pot before you start. The water creates the steam that cooks the potatoes.

Why Size Matters More Than Weight

A long, thin sweet potato cooks faster then a short, fat one of the same weight. Heat has to travel to the center, and the center of a thick potato is farther away. So pick potatoes that are similar in shape if you want them all done at once.

If your potatoes vary a lot in size, cut the bigger ones in half. This evens out the cooking time and prevents one potato from turning to mush while another stays firm.

Electric Vs Stovetop Pressure Cooker Times

Electric cookers take a few minutes longer to come to pressure, but the cooking time under pressure is the same. Stovetop cookers reach pressure faster and run a bit hotter on high. Use the same minute ranges for both, then adjust by 1 to 2 minutes if needed.

One small difference: stovetop pots can lose steam if the heat is too high. Keep the burner at medium once pressure is reached. Electric models control this for you.

Step-By-Step Instructions For Perfect Sweet Potatoes

Follow these steps for tender potatoes every time. The whole process takes about 30 minutes from start to finish.

  1. Wash each sweet potato under cool running water. Scrub away any dirt with a vegetable brush.
  2. Prick the skin 3 to 4 times with a fork. This lets steam escape and stops the potato from splitting.
  3. Pour 1 cup of cold water into the pressure cooker. Place the trivet or steamer basket inside.
  4. Arrange the sweet potatoes on the trivet. Do not stack them more than two deep. Leave space between them for steam to flow.
  5. Lock the lid and set the valve to sealing. Select high pressure and set the timer based on the chart above.
  6. When the timer beeps, let the pressure release naturally for 10 minutes. Then turn the valve to venting to release any remaining steam.
  7. Open the lid away from your face. Test doneness with a fork or thin knife. It should slide in with no resistance.

If the potatoes are still firm, lock the lid and cook for 2 more minutes on high pressure. Quick release again and check.

Natural Release Vs Quick Release

Natural release is better for whole sweet potatoes. It keeps the skins intact and lets the inside finish cooking gently. A full quick release can cause the skins to split and the edges to get watery.

A 10-minute natural release is the sweet spot. It is long enough to protect the texture but short enough that the potatoes do not overcook. For cut chunks, a 5-minute natural release works fine.

How To Tell When They Are Done

Use a fork, a skewer, or a thin paring knife. Push it into the thickest part of the potato. If it goes in smoothly with no pushback, the potato is done. If there is any resistance, give it more time.

You can also gently squeeze the potato with a clean towel. A done potato gives slightly under pressure. A raw one feels rock hard.

Common Mistakes To Avoid

Most problems come from a few easy-to-fix errors. Watch out for these.

  • Adding too little water. One cup is the minimum for most cookers. Less water means less steam and possible burning.
  • Stacking potatoes too high. Steam needs to move around each one. Two layers is the max.
  • Skipping the fork pricks. Without them, potatoes can burst and make a mess.
  • Using quick release right away. This dries out the flesh and cracks the skin.
  • Forgetting to account for size. A giant potato needs more minutes then a small one, even in the same pot.

Also, do not crowd the pot. If you need to cook a lot of potatoes, do them in two batches. Overcrowding steams them unevenly and stretches the cooking time.

Tips For Better Flavor And Texture

Plain pressure-cooked sweet potatoes taste great on their own. But you can add flavor with almost no extra work.

  • Rub the skins with a little olive oil and salt before cooking. This adds a subtle savory note.
  • Add a cinnamon stick or a few whole cloves to the water. The steam carries the aroma into the flesh.
  • For mashed sweet potatoes, cook chunks instead of whole ones. They finish in 8 to 10 minutes and mash easily.
  • Let whole potatoes rest for 5 minutes after cooking. This firms up the texture and makes them easier to peel.

Store leftovers in a sealed container in the fridge for up to 5 days. Reheat in the microwave for 1 to 2 minutes, or mash them into a quick side dish.

Final Thoughts

So, how long to cook sweet potatoes in pressure cooker? Plan on 15 to 20 minutes for medium whole potatoes, plus about 10 minutes of natural release. Adjust up or down based on size, and always use the fork test to confirm.

Once you try this method, you may never go back to oven baking. It is faster, uses less energy, and gives you perfectly tender sweet potatoes with very little effort.

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