sponge cake with creamy filling

fortified wheat flour 41.0% , sugar 16.2% , corn syrup 8.3% , high fructose corn syrup 5.2% , animal 3.7% , vegetable shortening 3.7% , egg 2.2% , water 1.8% , dextrose 1.5% , contains 2% and less 1.3% , E516 1.2% , E406 1.0% , E339ii 0.9% , E410 0.9% , modified corn starch 0.8% , corn syrup solids 0.7% , soya lecithin 0.7% , E450i 0.7% , E500ii 0.6% , corn starch 0.6% , E341i 0.6% , whey 0.6% , E422 0.5% , salt 0.5% , E466 0.5% , E481 0.5% , E200 0.5% , E202 0.5% , E415 0.5% , barley malt extract 0.4% , cornmeal 0.4% , natural and artificial flavouring 0.4% , enzyme 0.4% , E102 0.4% , E129 0.4%