Instant Pot Potato Au Gratin

A classical creamy and cheesy side dish to be served with your favorite meat recipe. For a vegetarian dinner, just serve the potatoes au gratin together with fresh and seasonal veggies. It is a super easy dinner, suitable both for busy weeknights and also for large family meals during the Holiday Season. Everybody will gobble them up!

3 from 3 votes

Instant Pot Scalloped Potatoes

Course Main Course
Cuisine French
Keyword butter, cheddar cheese, nutmeg, Potato Au Gratin
Prep Time 30 minutes
Cook Time 20 minutes
Total Time 50 minutes
Servings 6
Calories 414 kcal


  • 8 potatoes peeled and thinly sliced
  • 2 cups water
  • 1 cup Béchamel sauce
  • 1 cup cheddar cheese grated
  • ½ cup parmesan cheese grated
  • ½ cup milk
  • ½ cup breadcrumbs
  • 1 tsp garlic powder
  • salt and black pepper to taste


  1. Pour 1 cup water into your Instant Pot.

  2. Place the steaming basket into your Instant Pot and fill it with sliced potatoes.

    Steam for 5 minutes.

  3. Let the steam release naturally.

  4. Drain your potatoes and place them in a large bowl.

  5. In a saucepan, heat milk and add Béchamel sauce, cheddar, parmesan, garlic powder, salt and black pepper.

  6. Stir thoroughly until smooth.

  7. Pour the sauce over your potatoes and mix well.

  8. Pour this mixture into a shallow casserole dish.

  9. Sprinkle with breadcrumb.

  10. Pour 1 cup water into your Instant Pot and place the trivet correctly.

  11. Put your casserole dish onto the trivet.

  12. Cook at high pressure for about 15 minutes

  13. Quickly release the steam.

  14. Let it cool for about 20 minutes before serving

This recipe is part of the biggest Instant Pot Recipe Index.
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