Steps
1. Grate or chop jaggery into small pieces and dissolve it in a little warm water to make a syrup.
2. Beat the egg in a bowl until smooth.
3. Add the coconut milk, jaggery syrup, cardamom powder, nutmeg powder, salt, and rosewater to the beaten egg. Mix well.
4. Strain the mixture through a fine sieve to remove any lumps.
5. Pour the mixture into a small heatproof bowl.
6. Place the bowl in a steamer or a pot with a lid, adding water halfway up the side of the bowl.
7. Steam on medium heat for about 30-40 minutes or until the custard sets.
8. Remove from heat and allow to cool.
9. Garnish with chopped cashew nuts and raisins before serving.