Slice beef tenderloin, add 1 teaspoon cooking wine, 7 teaspoons light soy sauce, 1 teaspoon oil and half a teaspoon starch, and marinate for 15 minutes. Cucumber slices with salt 1 hour. Remove the salty taste with clear water, and squeeze the cucumber to absorb water.

Stir-fry minced garlic and millet pepper in a pot, add beef slices, stir-fry until they change color, add shredded onion and cucumber, stir-fry over high fire, and add 1 spoon oyster sauce (similar to soy sauce, but without oil).