Iced devil's food cake with creamy filling

Sugar, water, enriched bleached wheat flour [flour, reduced iron, "b" vitamins (niacin, thiamine mononitrate (b1), riboflavin (b2), folic acid)], partially hydrogenated vegetable and/or animal shortening (<span class="allergen">soybean</span>, cottonseed and/or canola oil, beef fat), corn syrup, high fructose corn syrup, cocoa processed with alkali, palm oil, <span class="allergen">whole eggs</span>. contains 2% or less of: glycerin, modified corn starch, <span class="allergen">soy lecithin</span>, leavenings (sodium acid pyrophosphate, baking soda, cornstarch, and monocalcium phosphate), cocoa, <span class="allergen">whey</span>, natural and artificial flavor (contains: caramel color and nonfat milk), <span class="allergen">egg whites</span>, sodium aluminum phosphate, salt, sorbic acid (to retain freshness), <span class="allergen">soy flour</span>, mono and diglycerides, glucose, dextrose, cellulose gum, polysorbate 60, guar gum, agar, propylene glycol, fumaric acid, calcium sulfate, <span class="allergen">soy protein isolate</span>, calcium and sodium caseinate.