Recipe for Marble Cake:
Ingredients
6 tablespoons butter
3/4 cup castor sugar
2 eggs
1 teaspoon vanilla
2 cups self-raising flour
pinch salt
1/2 cup milk cochineal (or red food dye)
1 tablespoon cocoa
1 tablespoon hot water

Cream the butter and sugar.
Add beaten eggs and vanilla. Beat well.
Sift flour and salt together.
Fold in sifted flour alternately with milk to make a soft dough.
Divide mixture into three portions.
Colour one portion pink with a few drops of cochineal or red food dye.
Mix cocoa with hot water and mix into second portion.
Leave third portion plain.
Place spoonfuls of the mixtures into a well greased and floured block cake tin.
Bake in a moderate oven for 50 to 55 minutes or until a skewer inserted in the middle comes out clean.
Cool on a rack.
When cold, ice with marble or vanilla icing.