Step 1

Use a mandolin to slice potatoes into 1/8-inch slices

Step 2

Grease a large, shallow baking dish, and begin layering potatoes so that only the ends are overlapping slightly

Step 3

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

Step 4

Repeat process until you have 4 layers of potatoes, then top with remaining spices, cheese and cream. Dot with butter.

Step 5

Place dish in air fryer, and bake at 350 degrees for 20 minutes, or until potatoes are cooked through

Step 6

Allow to rest for 5 minutes before serving. Sauce will thicken as it cools.