1. Cut the bitter gourd in half, remove the pulp and wash it, then cut it into strips with the width of 1 cm, blanch it in boiling water, soak it in cold boiling water, take it out and control the moisture.

2. Marinate the bitter gourd strips with shredded pepper and refined salt, control the moisture, then soak them in cold boiled water and take them out. Add soy sauce, bean paste, garlic paste and cooked oil and mix well.