Ingredients
Equipment
Method
Step-by-Step Instructions
- Prepare the Beef: Cut the beef chuck steak into thin strips and place in the slow cooker.
- Combine Ingredients: Add beef strips, mushrooms, onions, soup, soy sauce, mustard, Worcestershire sauce, and garlic to the slow cooker. Season with salt and pepper, stir well.
- Slow Cook the Beef: Cover and set to cook on low for 6 to 8 hours.
- Skim and Thicken the Sauce: Transfer beef to a serving dish and skim off excess fat from the cooking liquid.
- Prepare the Sauce: Mix cornstarch with water and stir into the cooking liquid. Cook on high for 10 to 15 minutes until thickened.
- Finish with Creaminess: Stir in sour cream until fully combined and pour the sauce over the beef.
- Serve and Enjoy: Serve over noodles, rice, or potatoes, and garnish with parsley if desired.
Nutrition
Notes
For best results, sauté mushrooms and onions before adding them to the slow cooker for extra flavor.
