- 3 tablespoons butter
- 3 tablespoons all-purpose flour
- 1-1/2 teaspoons salt
- 1/8 teaspoon pepper
- 2 cups 2% milk
- 1 cup (4 ounces) shredded cheddar cheese
- 5 cups thinly sliced peeled potatoes (about 6 medium)
- 1/2 cup chopped onion
Preheat oven to 350°.
In a saucepan, melt butter over low heat. Stir in flour whisking until smooth. Add milk, salt and pepper. Bring to a boil; cook and whisk 2 minutes or until thickened. Remove from heat; stir in cheese in small amounts stirring between each until melted.
Add the potatoes and onion.
Transfer to a greased 9 x 13 baking dish. Cover with foil and bake 1 hour. Uncover; bake 30-40 minutes or until the potatoes are tender. Yield: 6-8 servings.