1. Place stew meat, carrots, onions, celery, potatoes, and mushrooms in your slow cooker. Sprinkle flour over the top and stir to combine everything.2. Add beef broth, salt and pepper, Italian seasoning, paprika, garlic, and worcestershire sauce to slow cooker. Stir to combine.3. Cover and cook on low for 10-12 hours or on high 4-6 hours. Stir, taste and add salt and pepper if needed, and serve.