A slow cooker version of a classic dish. This beef stroganoff is super easy to make and great for those nights when you don't have a lot of time to cook. Just place into your slow cooker before you leave for work and dinner will be ready by the time you get back.
In the bowl of your slow cooker, combine the beef, onion, garlic, mushrooms, cream of mushroom soup, salt, black pepper, Worcestershire sauce, and Dijon mustard.
In a small bowl, whisk together the chicken stock and flour. Stir into the other ingredients in the slow cooker. Cover and cook on low for 6 to 8 hours or on high for 3 to 4 hours or until the beef is tender.
Once done, stir in the sour cream and half of the parsley. Serve over cooked egg noodles and garnish with remaining parsley.