1. In a slow cooker, toss the steak, flour, salt, and pepper together until the meat is evenly coated. 2. Add the soup mix, beef broth, tomato paste, and Worcestershire sauce to the slow cooker. Cover and cook for 8 hours on low. 3. Remove the lid and stir in the noodles. Cook an additional 15-20 minutes, until the noodles are hot.