Golden sponge cake with creamy filling

bleached enriched wheat flour [wheat flour, niacin, ferrous sulfate (iron), thiamin mononitrate, riboflavin, folic acid], sugar, corn syrup, high fructose corn syrup, animal and vegetable shortening (tallow, hydrogenated tallow, cottonseed oil, mono and diglycerides, polysorbate 60, soy lecithin), eggs, water, dextrose, contains 2% or less: calcium carbonate, calcium sulfate, agar, disodium phosphate, locust bean gum, modified corn starch, corn syrup solids, soy lecithin, sodium acid pyrophosphate, baking soda, corn starch, monocalcium phosphate, whey, glycerin, salt, cellulose gum, sodium stearoyl lactylate, sorbic acid and potassium sorbate (to retain freshness), xanthan gum, barley malt extract, corn grits, natural and artificial flavors, enzymes, yellow 5, red 40,