1 1/2 lb. hamburger
3/4 c. oatmeal
1 1/2 tsp. salt
3/4 tsp. pepper
3 tbsp. chopped onion
1 c. milk

Mix and let stand 1/2 hour. Form into balls and place in baking dish. Set aside while making sauce.

1 c. catsup
2 tbsp. vinegar
2 tbsp. sugar
1/2 c. water

Pour over meatballs. Bake at 350 degrees for 45 minutes.