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Instant Pot Mashed Potatoes Recipe

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4 from 295 reviews

This Instant Pot Mashed Potatoes recipe delivers creamy, buttery mashed potatoes quickly and easily. Using the pressure cooker function of the Instant Pot, potatoes become perfectly tender in minutes, cutting down traditional cooking time. With butter, half and half, and sour cream stirred in at the end, these mashed potatoes are rich and smooth, ready as a comforting side dish for any meal.

  • Total Time: 21 minutes
  • Yield: 6 servings

Ingredients

Potatoes

  • 2 lbs russet potatoes

Dairy & Seasonings

  • ¼ cup butter, cut into small pieces
  • 3 tablespoons half and half (or milk)
  • 1 tablespoon sour cream
  • 1 teaspoon salt

Instructions

  1. Prepare the Potatoes: Peel the russet potatoes and cut each one into 12-16 large chunks to ensure even cooking.
  2. Pressure Cook: Place the potato chunks into the Instant Pot and add 1 cup of water. Seal the lid and set the pressure to high for 6 minutes. After cooking, let the pressure release naturally for 10 minutes to allow the potatoes to finish cooking gently.
  3. Drain Excess Water: Carefully release any remaining pressure, open the lid, and drain any leftover water from the pot to avoid watery mashed potatoes.
  4. Mash and Mix: Mash the potatoes directly in the Instant Pot bowl using a plastic masher if possible, until smooth. Add the butter, half and half, sour cream, and salt, stirring thoroughly to combine. Taste and adjust salt as needed for perfect flavor.

Notes

  • Using russet potatoes produces fluffy, creamy mashed potatoes due to their high starch content.
  • For creamier potatoes, increase the half and half or add extra sour cream.
  • Use a plastic or silicone masher to prevent scratching the Instant Pot bowl.
  • Letting the pressure release naturally prevents the potatoes from becoming mushy.
  • If you prefer richer mashed potatoes, substitute butter with heavy cream or add grated cheese.
  • Author: ELLA
  • Prep Time: 7 minutes
  • Cook Time: 14 minutes
  • Category: Side Dish
  • Method: Instant Pot
  • Cuisine: American