Momma'S Supper

Ingredients

• 3 to 3 1/2 lb. beef stew meat
• 1 medium onion
• 6 to 8 large potatoes, peeled and sliced as if for frying
• 1 can cream of mushroom soup
• 1 (8 oz.) sour cream
• 1 1/4 c. milk
• salt and pepper to taste
• 8 oz. shredded Cheddar cheese
• 1 small box cornflakes, crushed