Blanch green beans in boiling water for 3 minutes. Drain, run under cool water to stop cooking and pat dry.
Heat wok over medium high heat. Add sherry, garlic and ginger.
Stir for a few seconds. Add green beans and stir for a minute. Add stock, soy sauce, sesame oil. Combine sherry and cornstarch.
Add to wok. Stir.
Reduce to simmer and cook for another 3 minutes until sauce is thickened. Stir in scallions and serve.
Servings: