Onion Meatballs 3 lbs. frozen fully cooked meatballs 1 envelope dry onion soup mix 2 cloves garlic, minced 1 jar beef gravy 2 Tbsp. water Combine all ingredients in 4 - 6 quart slow cooker and stir to combine. Cook on LOW for 4-5 hours until thoroughly heated.   Back To Crock-Pot Recipes Feel Free To Email Me Anytime Back To The Index Page