2 lbs. hash brown potatoes
1/2 c. butter
1 tsp. salt
1/4 tsp. pepper
1 can mushrooms soup
2 c. cheese, grated
1/2 c. onion, chopped
2 c. sour cream
Unseasoned bread crumbs

Put potatoes in 9 x 13-inch dish. Put the rest of ingredients on the potatoes, then sprinkle the bread crumbs on top.