Combine first five ingredients; mix well.
Using about 1 tablespoon of meat mixture, form balls by covering each olive, cocktail onion and pineapple tidbit.
Place meatballs in a shallow baking dish; bake at 375° for 20 minutes.
Combine sauce ingredients; pour over meatballs.
Return to oven for 15 minutes or until the sauce thickens slightly.
Serve from a chafing dish or slow cooker with wooden picks.