Method

• Preheat the oven to 350 f/180 c/gas 4
• Sift the flour, cocoa and baking powder together.
• Mix together the bananas, soya milk, sugar and vanilla essence, in a blender or by hand
• Pour the banana mixture and melted margarine into the dry ingredients and mix thoroughly.
• Grease two 7inch cake tins and pour half the mixture into each tin.
• Cook in the centre of the oven for about 45 mins
• Cool on a wire rack.
• Cream the filling ingredients together, add the tiniest splash of soya milk if the mixture is too stiff.
• Sandwich the two cakes together with two thirds of the filling and spread the rest on top.