1 small onion
1 cup lite Cheddar cheese
2 tbsp margarine
1/2 tsp pepper
1 bag 32 oz thawed hash browns
1 small container FF Sour Cream
1 can FF mushroom soup

Spray a baking disk with cooking spray, combine all ingredients and place in baking dish. Bake at 350 for 1 hour.  Freezes well also.