Green lemon biscuit and coconut (without eggs) special aid el fitr

Ingredients :

 250g soft butter
 1 glass of sugar powder (150g)
 2 glasses of coconut powder (110g in total)
 3 tablespoons of milk
 Zest of a green lemon
 1 tablespoon vanilla powder or a bag of vanilla sugar
 1 yeast coffee pot
 flour approximately 300g
a  plate of powdered sugar to soak the cookies before cooking