Sweet and Sour Meatballs

This is another that i like from Amish Friends Cookbook.

Ingredients:
3lbs hamburger
1c chopped onion
salt and pepper
1c milk
2c quick oats

Preheat oven to 350 degrees. Mix meatball ingredients and shape mixture into balls. combine sauce ingredients. Place meatballs in shallow baking pan and pour sauce over them. Bake for 30-40 min.

Sauce:
1c ketchup
1/2c vinegar
2TBSP worcestershire sauce
2TBSP brown sugar