Cut Steak across grain on a slight diagonal into thin strips. In a medium bowl, combine sherry, soy sauce, garlic, and ginger. Add beef slices and toss to coat.
2
In a wok, heat 1 1/2 Tbs oil over high heat until hot, swirling to coat sides of pan. Add beef and stir-fry until meat loses its red color, about 3 min. Remove to a plate.
3
Add remaining oil to wok and heat over high heat. Add broccoli. Stir-fry until crisp-tender, 3-4 minutes. Add scallions. Stir-fry 2 min. Return beef to wok.
4
Dissolve cornstarch in beef broth and stir into wok. Cook over high heat, stirring, until sauce boils and thickens. 1-2 min.
