1/4 sheet white cake with buttrcreme icing

Sugar, vegetable shortening (palm and soybean oils, mono - and diglycerides, polysorbate 60), enriched bleached wheat flour (flour, niacin, reduced iron, thiamine mononitrate, riboflavin, folic acid), egg whites, soybean oil, eggs, high fructose corn syrup, contains less than 2% of the following: corn starch, palm and palm kernel oils, leavening (sodium acid pyrophosphate, baking soda, monocalcium phosphate), wheat starch, modified tapioca and corn starch, propylene glycol mono - and diesters of fats and fatty acids, natural and artificial flavor, salt, whey (milk), dextrose, mono - and diglycerides, soy lecithin, sodium caseinate, red 40 lake, dextrin, guar gum, polysorbate 60, confectioner's glaze, xanthan gum, sodium stearoyl lactylate, yellow 5 lake, blue 1 lake, disodium phosphate, yellow 6 lake, carnauba wax, ascorbic acid, citric acid, red 3, blue 1, red 40, rice flour, colored with (spirulina extract powder, turmeric oleoresin, vegetable juice, beta-carotene, titanium dioxide), cocoa, blue 2 lake, yellow 5, cellulose gum, gum arabic, carrageenan, yellow 6.