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Cheesy Potatoes and Onions

Yield Makes 10 to 12 servings

Ingredients

  • 6 medium potatoes (3 pounds), peeled and thinly sliced
  • 1 large onion, thinly sliced and separated into rings
  • 1 (6-ounce) package process American cheese slices
  • 3/4 teaspoon salt, divided
  • 3/4 teaspoon pepper, divided
  • 1 cup (4 ounces) shredded Cheddar cheese
  • 1/4 cup butter or margarine
  • 1/4 cup all-purpose flour
  • 3 cups warm milk

How to Make It

  1. Cook potato in boiling water to cover 5 minutes; drain.

  2. Layer one-third potato slices, one-third onion slices, and one-third cheese slices in a lightly greased 13- x 9-inch baking dish. Sprinkle with 1/4 teaspoon salt and 1/4 teaspoon pepper. Repeat layers twice with remaining potato, onion, cheese slices, salt, and pepper. Top with Cheddar cheese.

  3. Melt butter in a heavy saucepan over low heat; add flour, whisking until smooth. Cook, whisking constantly, 1 minute. Gradually whisk in milk until smooth. Remove from heat; pour over potato mixture.

  4. Bake at 400° for 35 minutes or until golden. Let stand 10 minutes before serving.