2 lbs. frozen hashbrowns, thawed
1/2 c. melted butter
1 tsp salt
1/4 tsp. pepper
1 can cream of mushroom soup
2 c. grated cheese
1/2 c. chopped onion
2 c. sour cream
Unseasoned bread crumbs

Combine all ingredients except bread crumbs in large bowl mixing well. Spread in 9x13 baking pan. Top with crumbs. Bake at 350 for one hour.