Pour the icing sugar and the egg white in a casserole and heat it while stirring. Make sure it doesn't boil.
Take away the casserole from the stow and pour the liquid in a big bowl, and whip it to a hard foam.
Add slowly while stirring the grated coconut, hazelnut flour, salt and citron juice.
Work it together to a smooth dough.
Place the dough in the fridge for minimum one hour.
Preheat the oven at 150 degrees Celsius.
Place a baking paper on a baking sheet. Make small balls with the dough, and then press gently on the bredeles with a spoon.
Place the cookies in the middle of the oven for fifteen minutes.
Take out the bredele and let them cool down.