Place the frozen meatballs in the crockpot.
36 ounces frozen meatballs
Scatter the sliced mushrooms, chopped onion, and minced garlic over the meatballs.
8 ounces baby bella mushrooms, 1 onion, 3-5 garlic cloves
Pour in the water or beef broth and add Worcestershire sauce.
1½ cups water or low-sodium beef broth, 1 Tablespoon Worcestershire sauce
Sprinkle the brown gravy mix and onion soup mix over the top.
.87 ounces brown gravy mix, 2 ounces onion soup mix
Cover with the lid and cook on LOW for 3-5 hours, until the meatballs are heated through and the flavors are well combined.
Stir halfway through to ensure even heating.
Garnish with fresh parsley (optional) before serving.
fresh parsley
Enjoy as an appetizer or serve over mashed potatoes, rice, or egg noodles for a complete meal.