Shortbread Cookies

Smooth the icing sugar in a clean bowl.

Add the butter and whisk thoroughly until it becomes smooth.

Add sieved plain flour to the mixture and mix together to form a dough.

Cover the dough with transparent nylon and place in the refrigerator for 30 minutes.

Bring the dough out and flatten it with a rolling pin.

Place the dough on a baking tray and cut cookies into desired shapes and sizes.

Bake in the oven for 40 minutes at 250°C.