Potatoes Au Gratin | Recipe Cart | Recipe Cart

Potatoes Au Gratin | Recipe Cart | Recipe Cart

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Export 8 ingredients for grocery delivery Step 1 Preheat oven to 400°F. Step 2 Wash potatoes and slice into ⅛" thin slices. Slice onion as thin as possible.

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Ingredients

  • 2 ½ pounds red potatoes
  • 1 onion
  • 3 tablespoons butter
  • 3 tablespoons flour
  • 1 teaspoon dry mustard
  • 2 cups milk
  • 1 cup cheddar cheese shredded
  • ½ cup gruyere cheese shredded
  • salt & pepper to taste

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