The New Zealand Railways Magazine, Volume 14, Issue 12 (March 1, 1940)
Arrowroot Sponge
Arrowroot Sponge.
Eggs 3 (beat five minutes); sugar 3/4 cup (add and beat five minutes); arrowroot 3/4 cup (add and beat five minutes); baking powder, 1 small teaspoon (stirred last of all); salt (a pinch).; essence if desired.
Bake in a moderate oven in greased and floured tins for about 10 minutets.