1 (2 lb.) bag frozen hash browns
1 sm. onion
1 pt. half and half
1 1/2 sticks butter
12 slices American cheese
1 (12 oz.) large curd cottage cheese

Put frozen hash browns in greased 9 x 12-inch pan. Dice onions on top of hash browns. Heat together half and half, butter and cheese. Remove from heat. Add cottage cheese. Pour sauce over potatoes. Let stand 1 hour or overnight before baking. Bake at 350 degrees for 1 hour.