Ingredients
3 tablespoons butter3 tablespoons all-purpose flour1-1/2 teaspoons salt1/8 teaspoon pepper2 cups 2% milk1 cup shredded cheddar cheese5 cups thinly sliced peeled potatoes (about 6 medium)1/2 cup chopped onionAdditional pepper, optional
Preparation
Preheat oven to 350°. In a large saucepan, melt butter over low heat. Stir in flour, salt and pepper until smooth. Gradually add milk. Bring to a boil; cook and stir 2 minutes or until thickened. Remove from heat; stir in cheese until melted. Add potatoes and onion.
Transfer to a greased 2-qt. baking dish. Cover and bake 1 hour. Uncover; bake 30-40 minutes or until the potatoes are tender. If desired, top with additional pepper.
