- For preparing cocoa custard, mix custard powder with some milk and stir it well and keep it aside. 
- Mix cocoa powder with some milk and keep it aside. 
- Boil milk in a vessel. Add the custard milk mixture to the boiling milk and stir well. 
- Separate the yolk of the egg from the white and stir the yolk well. 
- Add the stirred yolk, sugar and cocoa powder to the boiling custard one by one. Stir it well. 
- Then add the milk maid to the above mixture and stir it again (try to take no long interval while string) 
- Take it from flame when it is mixed well. 
- Freeze it in a freezer. 
- Spread cherries on the frozen custard and decorate it as your wish. 
- Cocoa custard is ready. Serve it for parties or as an evening snack.