Cheesy Potato Gratin

Cheesy Potato Gratin


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This Potato Gratin is cooked to cheesy perfection and baked to a crispy crunch on the outside.

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Time needed

30 min preparation + 1 hour cooking

Serving Size / Yield

4 servings


  • 4 russet potatoes, sliced into 1/4 inch slices
  • 1 onion, sliced into rings
  • Salt and pepper to taste
  • 3 tablespoons butter
  • 3 tablespoons all-purpose flour
  • 1/2 teaspoon salt 2 cups milk
  • 1 1/2 cups shredded Cheddar cheese

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Preheat oven to 400F and butter a casserole or ramekin dishes.
Layer 1/2 of the potatoes into bottom of the prepared casserole dishes. Add the onion slices, and the remaining potatoes on top of the onions. Then, season with salt and pepper to taste.
Using a medium saucepan, melt butter over medium heat. Throw in the flour and more salt, and stir constantly with a whisk for one minute. Then add in milk and cook until mixture has thickened.
Place cheese into saucepan and continue stirring until melted. Pour cheesy sauce over the potatoes, and cover the dishes with aluminum foil.
Bake 1 1/2 hours in the preheated oven. Let cool, remove aluminum foil and serve.

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