Simple, you cut the bitter gourd, then copy it with hot water, remember not to break it, then take it out and put it on a plate, prepare sugar, dried red pepper (appropriate amount), fire and come on. When the oil is hot, add dried red pepper, bitter gourd, stir-fry evenly, add sugar, add vinegar and collect the pot. This is bitter, sweet and sour, hehe, don't worry, because copying will not be very bitter.