Hash Brown Casserole - cooking recipe

Ingredients

1 (32 oz.) pkg. hash browns
1/2 c. melted margarine (reserve 1/4 c. margarine for top)
1 tsp. salt
1/4 tsp. pepper
1/2 c. chopped onion
1 can cream of chicken soup
1/3 can water
1 small carton sour cream
1 small jar Cheez Whiz

Preparation

Mix all together and put in flat, greased casserole.