Ingredients:

MARINADE:
1/3 cup soy sauce
1/4 tsp. black pepper
**********
1/2 lb. beef cut into stir fry size pieces
3 tbls. vegetable oil
1/2 tsp. minced frest ginger
1/2 small green bell pepper, seeded and cut into matchstick pieces
1/2 small red bell pepper, seeded and cut into matchstick pieces
1/2 tsp. sugar
1/4 tsp. salt
1/4 tsp. black pepper
1/8 tsp. ground toasted Sichuan peppercorns (optional)
1 tsp. sesame oil
Hot cooked rice

Method:

PREPARATION:

Combine marinade ingredients in a medium bowl. Add beef and stir to coat.
Set aside for about 30 minutes.

COOKING:

Place a wok or wide frying pan over high heat until hot. Add 2 tbls. of
the vegetable oil, swirling to coat the sides. Add ginger and cook,
stirring, until fragrant, about 5 seconds. Add beef and stir-fry for 2
minutes or until barely pink. Remove beef and set aside. Add the
remaining 1 tsp. vegatable oil to wok. Add green and red bell peppers and
stir-fry for 1 minute or until crisp-tender. Return beef to wok. Stir in
sugar, salt, pepper peppercorns, and sesame oil. Serve over rice.`

To be fair, I found this in A Wok for All Seasons by Martin Yan.
This serves about 3 to 4.