Place madeleine moulds into fridge to chill.
Heat the milk, rosewater, vanilla and honey together gently until mixed together.
Add eggs and sugar to a bowl and whisk together until they are frothy.
Melt the butter and let cool.
Add the milk mixture to the egg and sugar mix. Whisk in flour and baking powder then add cooled butter as well as the matcha powder.
Let the mixture rest for half an hour.
Pre-heat oven to 180°C/360°F/Gas 6
Bake for 10 minutes or until golden.