preheat oven 190°c/Gas mark5/375°f. grease two 9 inch tin with the tspn butter and line with baking paper

place butter, water and cocoa powder in a saucepan and gently heat without boiling, stir until smooth, remove from heat and set aside to cool.

beat together the eggs , buttermilk, vanilla extract, butter milk, and foof colouring. beat in butter mixture . sift together

the self raising flour,corn flour then stir evenly into egg mixture with caster sugar. divide equally into greased and prepared tin.

bake in preheated oven for 25-30 mins or until risen and firm to touch leave to cool. decorate with creame cheese frosting or butter creame frosting