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Instant Pot Scalloped Potatoes
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3.29 from 7 votes

Instant Pot Scalloped Potatoes

These Instant Pot Scalloped Potatoes are super cheesy, creamy and delicious - all you need is a cake pan to cook this easy holiday side dish!
Prep Time15 mins
Cook Time30 mins
Total Time45 mins
Course: Side Dish
Cuisine: American
Keyword: Instant Pot Scalloped Potatoes
Servings: 8 servings
Calories: 182kcal
Author: Taylor Stinson


  • 1 cup water
  • Cooking spray
  • 4 medium-sized white potatoes, thinly sliced (about 1 lb)
  • 1 yellow onion, sliced
  • 2 tbsp butter
  • 3 tbsp flour
  • 1 cup milk
  • 1 cup cheddar cheese, grated
  • 1 tsp fresh thyme, finely chopped or 1/4 tsp dried
  • 1/2 tsp salt
  • 1/4 tsp pepper


  • Add water to Instant Pot, then place trivet in the pot.
  • Meanwhile, spray a 9-inch round with cooking spray. Layer in sliced potatoes in 3 even layers and add onions in between the two bottom layers.
  • Heat a medium pot over med-high heat. Melt butter, then whisk in flour until combined. Whisk in milk, then bring to a boil. Whisk in cheese, thyme, salt & pepper, stirring until combined. Remove from heat, then pour mixture over potatoes and onions.
    NOTE: Alternatively, you can make the cheese sauce in the Instant Pot in the same manner on saute mode. You will just need to wash the inner pot again before you cook on high pressure so I prefer to make the cheese sauce on the stove.
  • Add cake pan filled with potatoes and sauce to Instant Pot, placing on top of the trivet. Place lid on Instant Pot and make sure valve is set to seal. Press the pressure cook button and set to high, then cook for 30 minutes. Instant Pot will take about 10 minutes to come to pressure then pressure cook for 30 minutes.
  • Do a quick release of the pressure. Open the lid when pressure gauge has dropped and the lid opens easily.
  • Remove cake pan and place under a broiler if you'd like a crispy top for 5 minutes, watching closely so it doesn't burn. Serve and enjoy!



Calories: 182kcal | Carbohydrates: 20g | Protein: 7g | Fat: 9g | Saturated Fat: 5g | Cholesterol: 26mg | Sodium: 279mg | Potassium: 432mg | Fiber: 2g | Sugar: 3g | Vitamin A: 280IU | Vitamin C: 18mg | Calcium: 150mg | Iron: 1mg