The New Zealand Railways Magazine, Volume 12, Issue 12 (March 1, 1938.)
Slide Cake
Slide Cake.
Three ozs. butter, 1 egg, £1/2 cup sugar, 1 cup coconut, 1 cup flour, £1/2 teaspoon soda, 1 teaspoon cream of tartar.
Cream butter and sugar, then add egg and, lastly, flour and coconut with soda, etc. Roll out on the oven slide and bake. When cool, ice with lemon icing and cut into squares.