Ingredients:
175g unsalted butter softened at room temperature
40g icing sugar
1/2 teaspoon pure vanilla extract
175g plain flour
40g cornflour (cornstarch)
Directions:
With an electric mixer, cream butter and icing sugar together until pale and fluffy. Add the vanilla extract and beat for a few seconds.
Sift the flour and cornflour together over the butter mixture and mix until smooth.
Spoon the mixture into a piping bag fitted with a large star-shaped piping nozzle. Pipe into the required shapes on a baking tray lined with parchment paper. Space the shapes well apart.