"My mother-in-law has made this for years and everyone always loves it. Simple to make and very flexible. Let it burn a little on top, that's the good part!"
1Place potato slices in a bowl of water while preparing remaining ingredients.
2Preheat oven to 350 degrees F (175 degrees C). Spray a 9x13-inch baking dish with cooking spray.
3Melt butter in a saucepan over medium heat; cook and stir flour in melted butter for 2 to 3 minutes. Stir in milk until thickened, 4 to 5 minutes more. Add American cheese, mixing until melted. Pour in jarred cheese sauce and cook and stir until smooth.
4Spread about 1/2 cup sauce in the bottom of the prepared baking dish. Layer potatoes slices in baking dish, alternating with cheese sauce.
5Bake in preheated oven until potatoes are tender, about 90 minutes.
Ingredients
12 servings
407 cals
8 potatoes, cut into 1/8-inch slices
cooking spray
3 cups milk
16 slices American cheese
1/4 cup butter
1/4 cup all-purpose flour
1 (16 ounce) jar cheese sauce (such as Ragu® Double Cheddar)