01 -
Spray the insert of the slow cooker with nonstick cooking spray.
02 -
Place the frozen meatballs into the slow cooker.
03 -
In a mixing bowl, whisk together the beef broth, brown gravy mix, onion soup mix, ketchup, and Worcestershire sauce until well combined. Pour over the meatballs and stir gently.
04 -
Cover and cook on LOW for 5-6 hours.
05 -
Mix cornstarch and cold water in a small bowl. Stir the slurry into the crockpot, then cook for an additional 10 minutes or until the gravy thickens.
06 -
Serve the Salisbury steak meatballs over egg noodles or mashed potatoes and garnish with chopped parsley.