Creme filled iced sponge cakes with creme filling

sugar 47.8% , flour 15.6% , vegetable shortening 8.3% , skimmed milk 5.0% , corn syrup 3.5% , egg yolk 2.6% , high fructose corn syrup 2.0% , egg 1.6% , whey 1.4% , contains 2% and less of each of the following 1.2% , dextrose 1.0% , modified corn starch 0.9% , soy protein 0.8% , butter 0.7% , soya lecithin 0.6% , salt 0.6% , water 0.5% , E450i 0.5% , E500ii 0.5% , E341i 0.4% , natural and artificial flavouring 0.4% , E435 0.4% , E415 0.4% , E471 0.4% , E491 0.3% , distilled monoglycerides 0.3% , monoglycerides 0.3% , E516 0.3% , E490 0.3% , nutmeg 0.3% , E270 0.3% , E202 0.3% , E281 0.3% , E200 0.3% , E210 0.2%