Optional Serving Idea: Spray the inside of slow cooker with cooking spray. Cook meatballs per recipe then chill or immediately arrange in slow cooker. In a small mixing bowl, mix together 1/2 cup Caribbean jerk marinade and sauce, 3/4 cup chili sauce, and one 10-oz jar of pineapple preserves. Mix together and pour over the cooked meatballs in the slow cooker. Simmer on low for 2 hours, then keep warm until serving.