1. Shanghai green cut off the root, break it off, wash it, blanch it in the boiling water, take out the drained water and cool it;
2. Cut Shanghai green into small cubes, and then hold to remove water;
3. Cut the dried tofu into small dices about the size of Shanghai green, cut the shallots and red peppers into small circles, and then mix them;
4. Mix it with soy sauce, sugar, vinegar and sesame oil. Pour it on the vegetables and mix well.