1 In a small bowl, blend 1 tablespoon each of the cornstarch and soy sauce, sherry, garlic, ginger and pepper. 2 Add beef; marinate for 30 minutes in the refrigerator. In a small bowl, blend remaining 3 tablespoons cornstarch into water. Stir in remaining 1/3 cup soy sauce.3 Prepare pasta according to package directions; drain. 4 Add 1 teaspoon oil to pasta, toss to coat. In a medium skillet, heat 1 tablespoon oil. Add meat mixture and stir-fry for 1 minute.5 Remove meat mixture from heat. In the same skillet, heat remaining 1 tablespoon oil. 6 Add carrots and onion and stir-fry until tender-crisp. 7 Stir in meat, cornstarch mixture and green beans. Cook, stirring constantly, until mixture is thickened and translucent. 8 Arrange hot pasta on warm serving platter, and top with meat mixture. 9 Garnish with sesame seeds, if desired.