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Closeup of cheesy potatoes au gratin in baking dish with spoon

Ultimate Three Cheese Potatoes Au Gratin

  • Author: Country Cleaver
  • Prep Time: 20 minutes
  • Cook Time: 1 hour
  • Total Time: 1 hour 20 minutes
  • Yield: 68 servings 1x
  • Category: Side
  • Method: Oven
  • Cuisine: American


This Three Cheese Potatoes Au Gratin recipe layers thinly sliced potatoes with a garlicky cream sauce, sharp cheddar, grated Parmesan, and crumbled goat cheese for a decadent side dish!


  • 1 cup Heavy Cream
  • ½ cup Milk
  • 2 Garlic Cloves, minced
  • 1 tsp Salt
  • ¼ tsp Ground Black Pepper
  • 2 pounds Russet Potatoes, peeled and sliced 1/8” thick
  • 1 cup Sharp Cheddar, shredded
  • ¼ cup Grated Parmesan
  • ½ cup Crumbled Goat Cheese


Preheat oven to 350 degrees. Spray 2-quart baking dish with non-stick spray. Slice potatoes with a mandolin, if possible, to create uniform slices. Pat dry with paper towels to absorb any extra moisture.

Heat the cream, milk, garlic, salt, and pepper in a small saucepan until it begins to simmer around the edges, about 5-7 minutes. Remove the pan from the heat and allow to rest.

Arrange half the potatoes in overlapping slices along the bottom of the pan. Pour half of the cream over the top of the potatoes. Top with half of the cheddar, parmesan and goat cheese sprinkled over the top. Layer with the other half of the sliced potatoes. Repeat the layers of cream, and cheeses.

Bake for 60-70 minutes, or until the top id deep golden brown, and the potatoes are tender when pricked with a knife. Allow to rest 10 minutes before serving.

Keywords: potato gratin, cheesy scalloped potatoes, homemade au gratin potatoes