Hash Brown Casserole - cooking recipe

Ingredients

2 lb. frozen hash browns, thawed
1/4 c. butter
1/2 c. onion
1 can mushroom soup
1 t. salt
1/4 t. pepper
8 oz. sour cream
1 c. cheddar cheese

Preparation

Microwave onion and butter for 2 min.
Mix all ingredients, hash browns last. Put into a 9x12 pan.