Preheat oven to 190°C

Cream margerine, butter and icing sugar together.

Sieve all purpose flour and cornflour into the butter mixture.

Insert batter in to a piping bag and pipe out through a half inch star nozzle.

Refrigerate it for 10 mins and bake in the oven for 12 to 15 mins

Allow cookies to rest for 10mins after removing from oven