Bar cake with layers of dark chocolate cake, chocolate hazelnut mousse & dark chocolate ganache, chocolate hazelnut

sugar 50.8% , soya oil 24.6% , water 12.3% , flour 6.1% , egg 3.1% , palm kernel oil 1.5% , milk 0.8% , cream 0.4% , cocoa paste 0.2% , corn syrup 0.1% , Modified starch 0.0% , cocoa processed with alkali 0.0% , butter 0.0% , dextrose 0.0% , cocoa butter 0.0% , whey 0.0% , artificial flavouring 0.0% , E435 0.0% , carbohydrate gum 0.0% , soya lecithin 0.0% , skimmed milk 0.0% , E481 0.0% , corn starch 0.0% , E471 0.0% , E500ii 0.0% , E150a 0.0% , E541 0.0% , E341iii 0.0% , salt 0.0% , vegetable oil 0.0% , natural flavouring 0.0% , soya flour 0.0% , E490 0.0% , mono- and diesters of fatty acids 0.0% , hazelnut 0.0% , sulfite 0.0% , cocoa paste 0.0% , E300 0.0% , E330 0.0% , E491 0.0% , E428 0.0% , fat reduced cocoa powder 0.0% , sodium citrate 0.0% , E407 0.0% , E202 0.0% , E339 0.0% , E160b 0.0% , E415 0.0% , lactose 0.0% , E171 0.0% , maltodextrin 0.0% , E341i 0.0% , partially hydrogenated soybean oil 0.0% , sodium caseinate 0.0% , E450iii 0.0% , butterfat 0.0% , wheat starch 0.0% , E102 0.0% , E110 0.0% , vanilla powder 0.0% , sesame oil 0.0%