1 lg. bag frozen hash brown potatoes
1/4 c. chopped onion
2 cans Campbells potato soup
1 pt. sour cream
1 c. grated cheese, medium sharp, whatever your taste

Mix and pour into 13 x 9 Pyrex dish. Bake covered at 350 degrees, 1 hour. May sprinkle top with Parmesan cheese.