Great Supper Idea : Beef

12 ounces egg noodles

2 tablespoons olive oil

1 pound flank steak, thinly sliced

kosher salt and black pepper

1 small yellow onion, thinly sliced

1 green bell pepper, thinly sliced (optional)

1 4- to 4.5-ounce can or jar sliced mushrooms, drained

1 8-ounce container sour cream

2 1/2 tablespoons steak sauce

1. Cook the noodles according to the package directions.
2. Meanwhile, heat 1 tablespoon of the oil in a large skillet over medium-high heat. Season the steak with ¼ teaspoon each salt and pepper.
3. In 2 batches, cook the steak until browned, about 1 minute per side. Transfer to a plate.
4. Return the skillet to medium heat and add the remaining tablespoon of oil. Add the onion and bell pepper (if desired); cook until softened, 6 to 8 minutes.
5. Add the mushrooms and beef and cook until warmed through, about 2 minutes.
6. In a small bowl, combine the sour cream and steak sauce and stir the mixture into the beef and mushrooms. Serve over the noodles.

recipe source : Real Simple