Created by whisper on January 22, 2013
Step 1: Spread potatoes evenly into greased 9x13" baking pan. Layer diced onion over potatoes.
Step 2: In a saucepan, heat half-and-half, margarine and cheese. Cook until melted. Stir in cottage cheese. Pour sauce over potatoes. Let stand at least 1 hour or overnight.
Step 3: Bake at 350F for 1 - 1 1/2 hours.