Kielbasa appetizer - crock pot 2 lbs. fully cooked kielbasa sausage 3/4 cup brown sugar 1 cup chunky applesauce 2 Tbsp. Dijon mustard 2 cloves garlic, minced Preparation: Cut kielbasa into 1" pieces and combine with brown sugar, applesauce, and mustard in 3 quart crockpot. Cover and cook on high for 2 hours until thoroughly heated. 12 appetizer servings. Everyone raves about this when I make it! & it's super easy!