Scalloped Potatoes - cooking recipe

Ingredients

1 1/2 c. medium white sauce (recipe follows)
1 tsp. salt
1 Tbsp. chopped onion
4 or 5 medium potatoes
2 Tbsp. butter or margarine

Preparation

Prepare the white sauce.
Add salt and onion.
Turn oven to 350\u00b0.
Grease baking dish.
Pare the potatoes.
Cut into thin slices.