Potato Casserole - cooking recipe

Ingredients

1 bag frozen hash browns, thawed
1 stick butter
1 lb. sour cream
1 can cream of mushroom soup
1/2 c. milk
1/2 c. chopped onion
8 oz. Cheddar cheese

Preparation

Mix ingredients (except cheese).
Put in a 9 x 13-inch pan. Top with cheese.
Bake uncovered for 1 hour and 15 minutes at 375\u00b0.