Is LEMON MOUSSE FILLED FLAVORED CAKE, LEMON MOUSSE FILLED vegan?

white compound (sugar, palm kernel oil, nonfat dry milk, dry whole milk, whey, palmoil, soy lecithin, natural vanilla flavor), cake base (sugar, bleached wheat flour, food starch-modified, soybean oil, leavening [baking soda, sodium aluminum phosphate, monocalcium phosphate], natural and artificial flavor, whey, soy flour, vital wheat gluten, salt, emulsifiers (propylene glycol monoesters, monoglycerides, sodium stearoyl lactylate]), soybean oil, water, topping(water, hydrogenated palm kernel oil, sugar, corn syrup, polysorbate 60, hydroxypropyl methyl cellulose, artificial flavor, salt, sodium stearoyl lactylate, sorbitan monostearate, sodium citrate, soy lecithin, xanthan gum, annatto extract [color]), egg, sugar, souri cream (cultured pasteurized cream, nonfat milk, enzymes). contains 2% or less of the following: lemon filling (corn syrup [sulfur dioxide), lemon peel, water, lemon puree, phosphoric acid, pectins, citric acid, fd&c yellow #5, sodium benzoate [preservative], natural and artificial flavor), milk, cream, creme base (tapioca starch-modified, calcium carbonate, corn starch, salt, whey, skim milk, carrageenan, glucono-delta-lactone, xanthan gum,potassium sorbate, soylecithin, fd&c yellow #5, fd&c yellow #6), stabilizer blend (sugar, corn starch-modified, gum arabic, natural and artificial flavor), butter (cream, natural flavoring), palm oil, natural flavor, artificial flavor and color, fd&c yellow #5 lake.

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