1 pkg. (32 oz.) frozen hash browns
1 pt. sour cream
1/2 c. onion, chopped
1 can cream of mushroom or chicken soup
2 c. cheddar cheese
1/4 tsp. salt
1/8 tsp. pepper

Mix ingredients all together in bowl. Spread in a 9 x 13 inch baking pan or dish. Bake at 350 degrees for 1 hour.