→ Beef
01 - 1.1 lbs beef sirloin or rump steak, thinly sliced
02 - 1 tablespoon all-purpose flour
03 - 1/2 teaspoon salt
04 - 1/2 teaspoon black pepper
→ Vegetables
05 - 2 tablespoons unsalted butter
06 - 1 tablespoon olive oil
07 - 1 medium onion, finely chopped
08 - 2 garlic cloves, minced
09 - 10 ounces cremini or white button mushrooms, sliced
→ Sauce
10 - 1 tablespoon tomato paste
11 - 1 teaspoon Dijon mustard
12 - 1 cup beef broth
13 - 1/2 cup sour cream
14 - 1 tablespoon Worcestershire sauce
→ To Serve
15 - 9 ounces egg noodles or cooked rice
16 - 2 tablespoons fresh parsley, chopped (optional)