Stir milk and dessert powder until smooth. Bring coconut milk and 1 cup of whipped cream to the boil and remove from the heat. Add the dessert powder while stirring and bring to the boil again briefly.
Pour into dessert bowls and leave to cool. Shortly before serving, whip the remaining cream until stiff. Halve the pralines. Decorate dessert with cream patches, 2 chocolate halves and mint each.