Sweet and Sour Meatballs

1 pound hamburger
1/2 cup rolled oats
1 egg, slightly beaten
1/3 cup onion, chopped
3/4 tsp. salt
1/4 tsp. pepper
1 tsp. Worcestershire sauce
1 T. Heinz 57 sauce
1/3 cup milk

Mix all ingredients together.  Form into 2" balls.  Place in 9x13" pan.  Pour sauce over meatballs and bake at 350 degrees for 30 minutes.  Serve over rice

Sauce:
1 1/3 cups brown sugar
1/2 cup vinegar
2 tsp. prepared mustard
1/2 cup BBQ sauce
2 tsp. Worcestershire sauce

Combine ingredients.  Blend thoroughly.  Heat in saucepan.  Bring to a slight boil. Pour over meatballs.