1/3 cup icing sugar
1 cup flour (plain)
1/3 cup corn flour
Method: Melt the butter in a saucepan, add the icing sugar, and then add gradually the two flours, sifted together. Whilst still warm put through a biscuit forcer or forcing bag, or drop small pieces on cold oven trays. Bake at 180C for approx 15 minutes.
Source: A Taste of History Behind the Green Door 1909-2009. Compiled for the Centenary of the Queen Adelaide Club (Adelaide: The Queen Adelaide Club, 2009; "not for sale to the public"), p.7.