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potatoes au gratin on a serving spoon
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5 from 1 vote

Air Fryer Potatoes au Gratin

Air Fryer Potatoes au Gratin, or cheesy scalloped potatoes, is a creamy easy side dish perfect for holiday dinners. Cooks super fast in the air fryer oven!
Course Side Dish
Cuisine American
Prep Time 10 minutes
Cook Time 20 minutes
Resting Time 5 minutes
Total Time 35 minutes
Servings 8
Calories 253kcal
Author Dee
Cost $5



  • 3 medium Yukon Gold Potatoes thinly sliced
  • ½ teaspoon sea salt
  • ½ teaspoon garlic powder
  • ¼ teaspoon ground black pepper
  • ¾ cup heavy cream
  • 3 cups shredded cheese cheddar and Cheddar and Colby Jack
  • 1 tablespoon butter


  • Use a mandolin to slice potatoes into ⅛-inch slices
  • Grease a large, shallow baking dish, and begin layering potatoes so that only the ends are overlapping slightly
  • Season each layer of potatoes with a sprinkle of salt, garlic powder and pepper, then pour a tablespoon of cream over potatoes, and top with a thin layer of cheese
  • Repeat process until you have 4 layers of potatoes, then top with remaining spices, cheese and cream. Dot with butter.
  • Place dish in air fryer, and bake at 350 degrees for 20 minutes, or until potatoes are cooked through
  • Allow to rest for 5 minutes before serving. Sauce will thicken as it cools.


Recipe was made in the Instant Pot Omni Plus air fryer but can be made in any air fryer oven. Cook times may vary between brands and models.
You can add more cheese for a cheesier dish.


Calories: 253kcal | Carbohydrates: 10g | Protein: 11g | Fat: 19g | Saturated Fat: 12g | Cholesterol: 68mg | Sodium: 436mg | Potassium: 312mg | Fiber: 2g | Sugar: 1g | Vitamin A: 656IU | Vitamin C: 7mg | Calcium: 246mg | Iron: 2mg