5oz self raising flour, 5oz plain flour, 5oz sugar, 5oz margarine, i egg, 1/2 (half)oz cocoa, splot of vanilla essence.
Melt fat in pan, add vanilla. Mix sugar, cocoa and flour. Add melted fat and beat in egg. Press into greased tin, 1/2 (half)inch thick. brush top with water and sprinkle with sugar. Bake in slow oven for 30mins. Serve with pink custard or chocolate sauce. Yum!!