Ingredients: 1 tablespoon olive oil 2 pounds beef sirloin steak, sliced thin 1/4 cup all-purpose flour 1 pound egg noodles 1 medium white onion, sliced 8 ounces sliced mushrooms 1/4 cup salted butter 3 cups beef broth 2 tablespoons Worcestershire sauce 1 cup sour cream 1 tables…
