Cream butter sugar and lemon zest in a large bowl until well mixed

Add egg yolk and milk, continue mixing well preferable use hands

Start adding flour in small bit as you continue kneading

Wrap the final dough with cling film paper and roll into a long dough

Put in freezer for 30 min

When its ready cut the dough into small circular shaped

Oil baking tin and arrange the circular dough on it

Bake at 180c until they are golden brown in colour