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au gratin poatoes in dish with spoon

Cheesy Au Gratin Potatoes

  • Prep Time: 25 minutes
  • Cook Time: 70 minutes
  • Total Time: 95 minutes
  • Yield: 8 servings 1x


Cheesy Au Gratin Potatoes are thinly sliced and layered with loads of cheese, then baked till perfectly browned on top and creamy in the middle.


  • 3 lbs yukon gold potatoes
  • 3 Tablespoon unsalted butter
  • 2 teaspoons chopped garlic
  • 3 Tablespoon all-purpose flour
  • 2 cups half and half
  • 1 cup whole milk
  • 2 teaspoons kosher salt
  • ½ teaspoon ground black pepper
  • ½ teaspoon paprika
  • 1 cup shredded cheddar cheese
  • 1 cup shredded parmesan cheese


  1. Preheat oven to 375° and grease a 9x13" baking pan or casserole dish with butter or baking spray.
  2. Heat a saute pan over medium heat and add butter and garlic. Saute for 1 minute and then sprinkle in flour. Whisk to combine.
  3. While whisking, add in half and half and milk until thoroughly incorporated. Continue to whisk and cook over medium heat until the sauce starts to thicken.
  4. Remove sauce from the heat and whisk in salt, pepper, and paprika. Set aside.
  5. Using a mandolin or a sharp knife, thinly slice all of the potatoes.
  6. Place sliced potatoes in layers in the prepared baking dish, alternating every couple layers of potatoes with shredded cheddar cheese. The top layer should be sliced potatoes.
  7. Pour prepared sauce over the layered potatoes and cheese and sprinkle the top with the parmesan cheese.
  8. Bake potatoes in preheated oven for 60-70 minutes until potatoes are fork-tender and browned on top. Let potatoes sit for 15 minutes before serving.
  • Category: Side Dish
  • Cuisine: American


  • Calories: 340

Keywords: cheese, holidays, potatoes, thanksgiving, vegetarian

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