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Cozy slow cooker meatballs in rich Salisbury-style gravy, perfect over mashed potatoes, noodles, or rice.
1 bag frozen meatballs (about 26–32 ounces, homestyle or beef)
2 cups beef broth (reduced sodium recommended)
1 packet brown gravy mix
1 packet onion soup mix
2 tablespoons ketchup
1 tablespoon Worcestershire sauce
1 tablespoon Dijon or yellow mustard (optional but tasty)
1 tablespoon cornstarch
1 tablespoon cold water
8 ounces sliced mushrooms (optional but highly recommended)
1 small onion, thinly sliced or diced
1 teaspoon garlic powder or 2 cloves minced garlic
Salt and black pepper to taste
Fresh parsley, chopped, for garnish
Mashed potatoes, egg noodles, or rice, for serving
1. Spray the inside of the slow cooker with nonstick spray or lightly grease to prevent sticking.
2. Add the frozen meatballs straight from the bag into the slow cooker in an even layer.
3. Scatter sliced mushrooms and onions over the meatballs, then sprinkle with garlic powder, a pinch of salt, and black pepper.
4. In a bowl whisk together beef broth, brown gravy mix, onion soup mix, ketchup, Worcestershire sauce, and mustard until smooth.
5. Pour the gravy mixture evenly over the meatballs and vegetables, coating everything in the liquid.
6. Cover and cook on LOW for 5–6 hours or on HIGH for 2–3 hours, until meatballs are heated through and flavors meld.
7. Stir together cornstarch and cold water in a small bowl to make a slurry, then pour into the slow cooker and stir gently.
8. Cook on HIGH for 10–15 minutes more, until the gravy thickens to a silky, spoon-coating consistency.
9. Taste and adjust seasoning with additional salt, pepper, or Worcestershire sauce as needed.
10. Garnish with chopped fresh parsley and serve generously over mashed potatoes, egg noodles, or rice.
Use homestyle or beef meatballs for the best Salisbury steak flavor.
If your gravy gets too thick, whisk in a splash of broth or water until you reach your desired consistency.
For extra richness, stir in a tablespoon of butter at the end.