preheat oven to 180ºC

mix egg yolks, coconut, sugar and lemon (if using) in a bowl

when combined, squeeze into balls about 1 inch in diameter, roll in flour to coat lightly and place on a baking tray.

bake for around 10-15 minutes, or until they are just starting to colour

while still warm, coat in icing sugar. they afraid best eaten fresh, but can be stored in an airtight container for 3-4 days.