250 g stork to bake margarine
125 ml icing sugar
125ml corn flour
Tsp essence of your choice
2cups of flour 

Method
Beat your margarine until it is pale white, add essence and mix then add ur icing sugar and mix well then lastly add corn flour and flour, mix well then put in ur piping bag and bake fo 15 minutes or until golden brown

Butter cream filling recipe
125 g stork to bake margarine
3cups icing sugar
2tsp essence
60ml milk

Beat margarine until it is pale white , add essence than add icing sugar beat until it is creamy then add milk and mix well than sandwich your buscuits.

Credit: Slungile Maka Bhoyo Mbatha