German cookie - Teo Choong Eng Cindy

Recipe :
227g unsalted butter
250g potato starch
100g plain flour ( I use Top flour )
100g icing sugar

Sift potato starch & flour into a bowl.
Cream butter & icing sugar till light & fluffy.
Fold in sifted flour, knead until combine.
I separate the dough into 3 portion , add in coloring and mix well.
Wrap dough in cling wrap and chill in fridge for 1/2 hr.
Roll dough into ball and bake for 20 mins at 150C.