Is 1/4 SHEET CELEBRATION CONFETTI CAKE WITH CONFETTI WHIPPED ICING vegan?

sugar, enriched bleached wheat flour (wheat flour, niacin, reduced iron, thiamine mononitrate, riboflavin, folic acid), water, partially hydrogenated palm kernel oil, egg whites, rice flour, soybean oil, eggs, high fructose corn syrup, dextrose, contains less than 2% of the following: partially hydrogenated cottonseed and soybean oils, sodium caseinate (a milk derivative), leavening (sodium acid pyrophosphate, baking soda, monocalcium phosphate), wheat starch, modified tapioca starch, salt, propylene glycol mono and diesters of fats and fatty acids, whey (a milk derivative), natural and artificial flavor (contains milk and wheat), cornstarch, mono and diglycerides, soy lecithin, cellulose gum, carrageenan, polysorbate 60, colored with (titanium dioxide), artificial colors (yellow 5, red 3, yellow 6, blue 1, red 40, blue 2 lake), modified cornstarch, carbohydrate gum, gum arabic, guar gum, sodium stearoyl lactylate, xanthan gum, confectioner's glaze (carnauba wax, beeswax, shellac), to preserve freshness (potassium sorbate), soy protein concentrate, corn syrup solids, polyglycerol esters of fatty acids.

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