1. To make mango sauce, first peel off the mango, cut the pulp into small pieces, and then mash the cut mango in a cooking machine. In this step, we can also take out the pulp from the mango core and paste it into the mango core.

2. Then, put the mashed fruit into the casserole, and squeeze fresh lemon juice and appropriate amount of rock sugar into the pot. First, heat it with high fire, then turn to low heat and cook the jam slowly. In this process, we need to constantly stir the jam to avoid burning.

Finally, when the jam is cooked to a thick and delicate state, we can cool it in a sealed container and put it in the refrigerator for refrigeration. It should be noted that the shelf life of this jam is not long, so we need to finish it as soon as possible.