Is MINT CHOCOLATE CAKE WITH BUTTERCREME FROSTING, MINT CHOCOLATE vegan?

cake: sugar, bleached enriched flour (bleached wheat flour, niacin, reduced iron, thiamine mononitrate, riboflavin, folic acid), water, soybean oil, eggs, egg whites cocoa processed with alkali, modified corn starch. contains 2% or less of nonfat milk, leavening (sodium acid pyrophosphate, sodium bicarbonate, corn starch, monocalcium phosphate), salt, xanthan gum, vital wheat gluten, emulsifiers (sorbitan monostearate , mono- and diglycerides, polysorbate 60, sodium stearoyl lactylate, soy lecithin), dextrose, natural and artificial flavors, red 40 lake, blue 1 lake, yellow 5 lake. icing: sugar, vegetable shortening (interesterified soybean oil, soybean oil, hydrogenated cottonseed oil, mono-and diglycerides, polysorbate 60), water, corn syrup, contains 2% or less of salt, dextrose, high fructose corn syrup, modified corn starch, natural and artificial flavors, sorbitan monostearate, mono- and diglycerides, polysorbate 60, sodium stearoyl lactylate, yellow 5, blue 1, yellow 5 aluminum lake, locust bean gum, citric acid, sodium benzoate and potassium sorbate (preservatives), chocolate garnish: sugar, soybean oil, cocoa powder processed with alkali, whole milk powder, cocoa powder, palm oil, soy lecithin, natural flavors, natural vanilla extract.

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