Moist yellow celebration cake with rich chocolate buttrcreme

Sugar, enriched bleached wheat flour (flour, niacin, reduced iron, thiamine mononitrate, riboflavin, folic acid), water, vegetable shortening (palm and soybean oils, mono and diglycerides, polysorbate 60), egg whites, soybean oil, eggs, cocoa alkali processed, high fructose corn syrup, contains less than 2% of the following: rice flour, leavening (sodium acid pyrophosphate, baking soda, monocalcium phosphate), wheat starch, modified tapioca and corn starch, natural and artificial flavor, propylene glycol mono and diesters of fats and fatty acids, salt, whey (a milk derivative), dextrose, mono and diglycerides, palm and palm kernel oils, sodium caseinate (a milk derivative), soy lecithin, guar gum, cornstarch, polysorbate 60, cellulose gum, xanthan gum, sodium stearoyl lactylate, carrageenan, artificial colors(yellow 5, red 3, yellow 6, blue 1, yellow 5 lake), colored with (titanium dioxide), disodium phosphate, ascorbic acid, citric acid.