Saute beef and onion in butter to ... mushrooms and mushroom soup, stir in ground beef ... Set aside. Cook noodles by following the directions on ... Heat thoroughly then serve.
Brown Beef and Onion; pour off grease. ... heat uncovered. Add Soup and simmer uncovered 10 minutes. Stir in Sour Cream and Noodles. Sprinkle with Parsley. Makes 4 servings.