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Potatoes Au Gratin

Prep Time 15 minutes
Cook Time 50 minutes
Total Time 1 hour 5 minutes
Servings 6 servings
Calories 450
A creamy, cheesy potato casserole with a golden crust, perfect for comforting family dinners.

Ingredients

Dairy and Aromatics

  • ¼ cup unsalted butter
  • 1 tablespoon minced garlic
  • ½ cup finely chopped yellow onion
  • ¼ cup all-purpose flour
  • 2 cups whole milk
  • ¾ teaspoon kosher salt
  • ½ teaspoon black pepper
  • ⅛ teaspoon nutmeg

Potatoes

  • 2 pounds yukon gold potatoes (peeled, cut into ⅛" thick slices)

Cheese

  • 1 cup shredded gruyere cheese
  • 1 cup shredded sharp cheddar cheese
  • 2 teaspoons chopped chives

Instructions 

  • Preheat oven to 400ºF (200ºC).
  • Make the cream sauce: melt butter, sauté garlic and onions, add flour, then whisk in milk until thickened. Season with salt, pepper, and nutmeg.
  • Stir in ½ cup gruyere and ½ cup cheddar cheese into the sauce.
  • Layer potatoes in a greased 8-inch dish, spread cheese sauce, and sprinkle with remaining cheeses. Repeat layers.
  • Cover with foil, bake for 30 minutes, then uncover and bake 20-25 minutes until golden and bubbly.
  • Cool for 10-15 minutes, garnish with chives, and serve.

Notes

For a crispier top, broil for the last 2 minutes.
Calories: 450kcal
Cost: $15
Course: Side Dish
Cuisine: French
Keyword: Potatoes