• 1 cup milk
• 3/4 cup quick-cooking oats
• 3 tablespoons finely chopped onion
• 1 1/2 teaspoons salt
• 1 1/2 pounds ground beef
• 1 cup ketchup
• 1/2 cup water
• 3 tablespoons cider vinegar
• 2 tablespoons sugar

In a large bowl, combine the first four ingredients.  Crumble the beef over mixture and mix well.  Shape into 1 inch balls.  Place in a 5 quart slow cooker.  In a small bowl, combine the ketchup, water, vinegar and sugar.  Pour over meatballs.  Cover and cook on low for 6-8 hours or until meat is no longer pink.