Beat sugar and butter until pale and fluffy

Add vanilla extract and mix

Add in d egg and mix

Sieve ur flour, add in the powdered milk mix together.

Add in d flour to d butter mixture. Mix well to form a dough.

Spread a cling film add in ur dough, cover with another cling film and flatten the dough.

Arrange on a baking tray and bake for 10-15 minutes