1. Oreo biscuits crushed and put in a glass
2. You can add a few pieces of cake base and put it inside
3. Rinse the milk into the pot and heat it over a low heat
4. Add the chocolate and stir slowly until it melts
5. Then add the soaked gelatin flakes and stir slowly until melted
6. Then pour it into the cup and put it in the refrigerator
7. Peel and dice the mango
8. After the chocolate mousse is set, put a layer of oatmeal and a layer of fruit into the cup
Tips:About three hours, the chocolate mousse will set
