Sesame-Soy Beef Stir-Fry

1 pound beef round tip steaks, cut 1/8 to 1/4 inch thick
1 package (16 ounces) frozen stir-fry vegetable mixture
2 teaspoons cornstarch dissolved in 1/3 cup water
Hot cooked rice (optional)
1/4 cup chopped toasted walnuts (optional)
MARINADE:
3 tablespoons soy sauce
2 teaspoons dark sesame oil

Combine marinade ingredients in medium bowl. Remove and reserve 2 tablespoons.

Stack beef steaks; cut lengthwise in half, then crosswise into 1-inch wide strips. Add beef to remaining marinade; toss.

Heat large nonstick skillet over medium-high heat until hot. Add 1/2 of beef; stir-fry 1 minute or until outside surface of beef is no longer pink. (Do not overcook.) Remove. Repeat with remaining beef.

Combine vegetables and 1/4 cup water in same skillet; cook over medium-high heat 4 to 5 minutes or until most of water is evaporated and vegetables are hot, stirring occasionally.

Combine cornstarch mixture and reserved marinade. Add to vegetables; cook and stir 1 minute or until thickened and bubbly.

Add beef; heat through. Serve over rice. Sprinkle with walnuts.

Makes 4 servings
Source: Cattlemen's Beef Board