8 ounces sour cream 3 tablespoons Dijon mustard 1 teaspoon Worcestershire sauce 1/2 cup all-purpose flour 1 teaspoon salt 1/8 teaspoon freshly ground black pepper 2 pounds boneless sirloin steak, cut into 2" strips 1 tablespoon butter 1/2 cup onion, chopped 14 ounces beef broth 2 cups mushrooms, sliced fresh parsley, chopped, optional 7 cups medium egg noodles, cooked as directed 1. Combine first 3 ingredients in a bowl. Set aside. 2. Lightly spoon flour into a dry measuring cup, level with a knife... read more
