1. Add the original soy milk made in advance to the pot
2. Add white granulated sugar to soy milk, heat and stir over low heat
3. After the sugar has melted, turn off the heat, add the soaked gelatin and stir to melt
4. Add whipped cream, mix and stir well
5. Filter to make the pudding liquid more delicate and smooth
6. Pour into the pudding bottle, put it in the refrigerator to cool and solidify, then add mango and mango sauce
