2. First cut the sour bamboo shoots into strips, pork belly into slices, onion into sections, and red pepper into filaments. Then, take out the oil pan and stir-fry the pork belly in the pan. After the pork belly is oily, add the red pepper and onion and continue to stir fry until the sour bamboo shoots are fragrant and continue to stir fry. When the sour bamboo shoots are cooked, add onion, salt and monosodium glutamate, and you can cook.