Scalloped Potatoes - cooking recipe

Ingredients

3 Tbsp. butter
2 Tbsp. flour
1 1/2 tsp. salt
1/8 tsp. pepper
2 1/2 c. milk
6 medium potatoes, sliced thin
2 Tbsp. chopped onion
2 slices American cheese

Preparation

In a large bowl, make a white sauce with the first 5 ingredients.
In a greased 2-quart casserole, place half of the sliced potatoes, half of the onion and half of the white sauce. Repeat the layers.
Cover and bake at 350\u00b0 for 1 hour.
Uncover and bake 30 minutes longer with American cheese, if desired. Serves 4 to 6.