Gluten free chocolate cake slices

icing sugar 53.8% , egg 23.1% , rapeseed oil 11.5% , brown sugar 5.8% , Margarine 2.9% , glucose syrup 1.4% , rice flour 0.7% , brown rice flour 0.4% , tapioca 0.2% , cocoa powder 0.1% , water 0.0% , www.sainsburys.co.uk Packaged in a protective atmosphere 0.0% , Flavouring Preservatives 0.0%