1 bag of frozen meatballs (if you use a Costco/Sam's Club bag, use 1/2 - 1/3)
8 oz. Russian salad dressing
15 oz. jellied cranberries
1 onion soup mix packet
8 oz. can crushed pineapple (optional)
Place everything in the crockpot and cook on LOW for 4-5 hours or HIGH for 2-3 hours. Stir occasionally.