Iced Devil's Food Cake with Creamy Filling

sugar, water, bleached enriched wheat flour wheat flour, niacin, ferrous sulfate, thiamin mononitrate, riboflavin, folic acid, corn syrup, shortening deodorized beef tallow, deodorized hydrogenated beef tallow, cottonseed oil, high fructose corn syrup, cocoa processed with alkali, palm oil, glycerin, soybean oil, mono and diglycerides, salt, chocolate liquor, soy lecithin, calcium carbonate, calcium sulfate, agar, locust bean gum, sunflower oil, disodium phosphate, food starch modified, cocoa, egg, egg whites, leavening sodium bicarbonate, baking soda, sodium aluminum phosphate, monocalcium phosphate, dextrose, inulin, soy flour, modified whey, calcium sodium caseinate, polysorbate 60, soy protein isolate, natural and artificial flavor, guar gum, cellulose gum, sorbic acid and potassium sorbate, fumaric acid, corn starch, enzymes