Ingredients:

  Amount  Measure       Ingredient -- Preparation Method
--------  ------------  --------------------------------
   1 1/4  pounds        boneless beef sirloin
   1      large         onion
   1      tablespoon    butter
   8      ounces        sliced mushrooms
   2      tablespoons   water
   2      tablespoons   all-purpose flour
   1      cup           beef broth
     1/4  cup           dry red wine
     1/4  teaspoon      salt
   1      cup           low-fat sour cream
     1/4  teaspoon      dried dill weed
                        hot cooked noodles

Preparation:

Trim fat from beef; discard. Slice beef across grain into thin slices. Cut onion lengthwise in half and slice across into 1/4-inch slices. Heat wok over medium-high heat 1 minute or until hot. Add butter and swirl to coat bottom. Add beef; stir-fry about 2 minutes or until well browned. Remove beef to large bowl. Reduce heat to medium. Add onion, mushrooms and water to wok; stir-fry about 2 minutes or until onion is tender. Add flour; mix well. Gradually stir in broth, wine and salt. Bring to a boil. Simmer 5 minutes. Stir in sour cream and dill weed. Return beef and any accumulated juices to wok; cook until heated through. Serve over noodles. Makes 4 servings