Put 2 pounds frozen hash browns in the bottom of a 9 x 13 inch pan. Sprinkle with 3 tablespoons onion, and 1 cup grated cheese.

Heat and pour over above:

1/2 c. butter
1 c. sour cream
1 can cream of chicken soup

Top with 1 cup bread crumbs.

Bake at 350 degrees for 45 to 55 minutes; or microwave for 20 minutes.