S'mores cake

cake 51.3% , wheat flour 24.4% , water 12.2% , semi-skimmed milk 6.1% , liquid whole egg 3.0% , vegetable fat 1.5% , Margarine 0.8% , vegetable oil 0.4% , cocoa powder processed with alkali 0.2% , Modified starch 0.1% , baking powder 0.0% , artificial 0.0% , natural flavouring 0.0% , whey powder 0.0% , E500ii 0.0% , rice starch 0.0% , citrus fibre 0.0% , salt 0.0% , dextrose 0.0% , graham flour 0.0% , brown sugar 0.0% , molasses 0.0% , NON-HYDROGENATED VEGETABLE OIL SHORTENING 0.0% , whole wheat flour 0.0% , wheat bran 0.0% , E466 0.0% , E414 0.0% , E415 0.0% , soya lecithin 0.0% , E202 0.0% , E503ii 0.0% , honey 0.0% , icing 0.0% , Toppings 0.0% , chocolate 0.0% , cocoa butter 0.0% , dextrose 0.0% , soya lecithin 0.0% , natural vanilla 0.0% , confectionery topping 0.0%