3 1/2 lbs. ground ham
1 1/2 lbs. ground beef
3 eggs, beaten
2 c. milk
3 c. graham cracker crumbs
2 cans tomato soup, undiluted (10 3/4 oz. each)
3/4 c. vinegar
2 1/2 c. packed brown sugar
1 tsp. prepared mustard

In a large mixing bowl, combine first five ingredients. Using a 1/3 cup measure, shape mixture into 2-inch balls. Place in two large shallow roasting pans. Combine all remaining ingredients; pour over balls. Bake at 325 degrees for 1 hour, basting frequently with sauce. Yield: about 15 servings.