Sweet and savory slow cooker party meatballs in a tangy glaze are a high protein, family-favorite appetizer. This easy, set-it-and-forget-it dish is perfect for effortless entertaining.
Combine grape jelly and chili sauce in the slow cooker. Stir well to blend into a smooth glaze.
Add Worcestershire sauce, garlic powder, and black pepper. Mix to evenly incorporate the seasonings.
Place frozen meatballs into the slow cooker, ensuring they are evenly coated with the sauce.
Cover and cook on low heat for 3 1/2 to 4 hours, stirring once halfway through to prevent sticking and ensure even heating.
Switch slow cooker to 'keep warm' when ready to serve. Serve meatballs hot with extra glaze spooned over each serving.