1 (12-ounce) jar cocktail sauce
1 (10.5-ounce) jar jalapeño jelly
1/2 small sweet onion, minced
1/2 (3-pound) package frozen cooked meatballs
Cook first 3 ingredients in a Dutch oven over medium heat, stirring until jelly melts and mixture is smooth.
Stir in meatballs. Reduce heat, and simmer, stirring occasionally, 35 to 40 minutes or until thoroughly heated.