2 lb. pkg. hash browns
1 can cream of chicken soup
1 can cream of celery soup
1 small onion, chopped
1 (16 oz.) sour cream (not all)
1 (16 oz.) shredded Cheddar cheese
2 tbsp. mayonnaise
salt and pepper

Mix all ingredients and place in greased 9 x 13 baking dish. Put bread crumbs on top.

Bake at 325°F for 1 1/2 hours.