Crockpot Beef Stroganoff

1. Place the beef, chopped onion, garlic, and mushrooms into the crockpot.
2. In a small bowl, whisk together the beef broth, Worcestershire sauce, Dijon mustard, paprika, salt, and pepper. Pour this mixture over the beef and vegetables.
3. Cover and cook on low for 7-8 hours or on high for 4-5 hours, until the beef is tender.