1. Wash the meat, cut into small pieces, and put it in a bowl;
2. Put chili powder, oyster sauce, pepper, cumin powder, pepper powder, cooking wine, sugar, light soy sauce, salt, into a bowl and stir well with the tenderloin;
3. After mixing well, add starch and marinate in the refrigerator for 2 hours;
4. After marinating, the toothpicks pierce the meat and arrange them neatly on the grilling net;
5. Put it in a steam oven, fire up and down 180 degrees, and bake for 20 minutes.
