Ingredients
Method
- Season and sear the beef in batches until browned and no longer pink; set aside.
- Cook onion, then mushrooms, then garlic in butter and remaining oil in the same pan.
- Stir in flour, cook 1 minute, then whisk in broth, Worcestershire, and mustard. Simmer until thickened.
- Remove from heat, stir in sour cream, then return the beef to the pan.
- Serve over cooked egg noodles, topped with parsley.
Notes
Store in the fridge up to 3 days. Freeze the sauce base without sour cream for up to 2 months.
