Got an honorable mention in The Sunday Times Recipes (reference)
Ingredients:
½ lbs (250 g) butter
½ lbs of powdered (icing) sugar
6 eggs
3 - 3 ½ cups of flour
Method:
Beat butter to a cream
Add sugar and beat a little
Add eggs one at a time, beating after each one is added
Add enough flour for thick pouring consistency but not by any means stiff
Bake from an hour to an hour and a half
Submitted by Sarah A. Cole, Riverside-road, East Fremantle