1 lb. ground beef
1/2 c. onion - chopped
1 slice of bread - crumbled
1 egg
salt and pepper to taste
1 can cream of mushroom soup
1/3 c. water
1/2 c. sour cream

Mix first four ingredients, shape into meatballs and brown. Drain and add mushroom soup and water. Simmer for 15 minutes. Remove from heat, mix in sour cream. Serve warm.