Potatoes are a staple ingredient in kitchens around the world, and the Instant Pot makes preparing them faster and easier than ever. Whether you’re looking for a creamy mash, tender roasted potatoes, or a hearty potato soup, the Instant Pot delivers consistent results with minimal effort. This recipe walks you through making classic Instant Pot Garlic Mashed Potatoes, while also providing variations and tips to suit any taste or occasion.
Ingredients
- 3 pounds Yukon Gold or Russet potatoes, peeled and cut into 1-inch cubes
- 1 cup water
- 1 teaspoon kosher salt (plus more to taste)
- 4 cloves garlic, peeled and smashed
- 4 tablespoons unsalted butter
- 1/2 cup whole milk (warm, plus more if needed)
- 1/4 cup sour cream (optional, for extra creaminess)
- Freshly ground black pepper, to taste
- Chopped fresh chives or parsley, for garnish (optional)
Instructions
- Prepare the potatoes: Peel the potatoes and cut them into roughly 1-inch cubes for even cooking. Rinse under cold water to remove excess starch.
- Add to Instant Pot: Place the cubed potatoes, smashed garlic cloves, salt, and 1 cup of water into the Instant Pot insert. Spread potatoes in an even layer.
- Pressure cook: Secure the lid and ensure the valve is set to “Sealing.” Select “Manual” or “Pressure Cook” and set for 8 minutes on high pressure.
- Quick release: When the cooking time is up, carefully perform a quick release by turning the valve to “Venting.” Open the lid once the pressure has fully released.
- Drain (if needed): If there is excess water at the bottom, drain the potatoes and return them to the pot.
- Mash: Add the butter and warm milk to the hot potatoes. Mash with a potato masher until smooth and creamy. For even richer potatoes, fold in the sour cream.
- Season: Taste and add more salt and pepper as needed. Adjust the milk for desired consistency.
- Serve: Spoon into a serving bowl and garnish with chopped chives or parsley if desired. Serve hot.
Tips
- Substitutions: Use red potatoes for a creamier texture, or substitute dairy-free milk and vegan butter for a plant-based version.
- Make-Ahead: You can prepare the potatoes up to 2 days in advance. Store in an airtight container and reheat with a splash of milk.
- Common Mistake: Overfilling the Instant Pot can cause uneven cooking. Never fill past the “Max Fill” line.
- Extra Flavor: Add a bay leaf or rosemary sprig to the water for subtle herbal notes (remove before mashing).
Serving Suggestions
- Serve as a classic side with roast chicken, turkey, or beef.
- Top with shredded cheese and bacon bits for loaded mashed potatoes.
- Pair with vegetarian mains like mushroom stroganoff or lentil loaf.
- Use as a topping for shepherd’s pie or cottage pie.
Variations
- Garlic Parmesan Potatoes: Stir in 1/2 cup grated Parmesan and an extra clove of roasted garlic before mashing.
- Herbed Potatoes: Mix in 2 tablespoons chopped fresh herbs (thyme, dill, or parsley) after mashing.
- Instant Pot Potato Soup: Sauté 1 chopped onion and 2 stalks celery in the Instant Pot before adding potatoes, then add 4 cups chicken or vegetable broth and pressure cook for 8 minutes. Blend until smooth, stir in 1 cup cream, and season to taste.
- Instant Pot Potato Salad: Pressure cook 2 pounds cubed potatoes with 1 cup water, quick release, then cool and toss with diced celery, scallions, pickles, and your favorite dressing.
- Instant Pot Roasted Potatoes: Toss 2 pounds baby potatoes with 2 tablespoons olive oil, 1 teaspoon garlic powder, and herbs. Pressure cook with 1 cup water for 4 minutes, quick release, drain, then sauté in the Instant Pot on “Sauté” mode until golden.
Storage and Reheating
Store leftover mashed potatoes in an airtight container in the refrigerator for up to 4 days. For longer storage, mashed potatoes can be frozen for up to 2 months; portion into airtight freezer containers and thaw overnight in the fridge before reheating. To reheat, add a splash of milk and microwave in 1-minute increments, stirring between each, until heated through. Alternatively, reheat gently on the stovetop over low heat, stirring frequently and adding milk or butter as needed to restore creaminess. For potato soup, refrigerate for up to 4 days or freeze up to 2 months; reheat gently to avoid curdling dairy.
Frequently Asked Questions
- Can I leave the potato skins on?
Yes! If you prefer a rustic texture and extra fiber, scrub the potatoes well and skip peeling. Yukon Gold and red potatoes work best with skins left on, as their skins are thin and tender. - How do I prevent watery mashed potatoes?
Use just enough water to steam the potatoes (1 cup for most 6-quart Instant Pots). After cooking, drain off any excess water before mashing. Also, avoid overmixing, which can make potatoes gluey. - Can I double the recipe?
Yes, you can double the ingredients for a crowd, but do not fill the Instant Pot past the “Max Fill” line. The cooking time remains the same, but it will take longer for the pot to come to pressure. - What’s the best potato for the Instant Pot?
Both Yukon Gold and Russet potatoes yield excellent results. Yukon Golds are creamier and hold their shape well, while Russets produce fluffier mashed potatoes. Red potatoes are waxier and great for potato salads. - Can I make this recipe dairy-free?
Absolutely. Substitute the butter with olive oil or vegan butter, and use unsweetened non-dairy milk such as almond, oat, or soy. The result will still be creamy and delicious. - Why does my Instant Pot display “burn” when cooking potatoes?
This usually means there isn’t enough liquid. Always add at least 1 cup of water for pressure cooking, and ensure nothing is stuck to the bottom before sealing the lid. Deglaze if necessary after sautéing any aromatics.
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