Mix thoroughly all ingredients except mozzarella cheese and BBQ sauce.
Take a spoonful of the meat mixture and form into a ball.
Take a cube of mozzarella cheese and stuff into the meatball.
In a skillet, lightly brown the meatballs.
Cover the bottom of a crockpot with BBQ sauce. Place some of the meatballs in the sauce.
Repeat two or three times until all meatballs are in the pot.
Set crockpot to high and cook 2 to 2-1/2 hours.