Are PRETZEL MELT SANDWICHES vegan?

wheat flour (wheat flour, niacin, reduced iron, thiamine mononitrate, riboflavin, folic acid. [may contain vitamin c {ascorbic acid added as a dough conditioner}, enzyme {added for improved baking}, malted barley flour]), egg patties (egg whites, water, modified food starch, natural flavors, guar gum, xanthan gum, color [includes beta carotene]), fully cooked sausage links (pork, water, salt, spices, dextrose, sugar), mild cheddar cheese (pasteurized milk, cheese cultures, salt, enzymes, annatto [coloring]), water, unsalted butter (pasteurized cream, lactic acid, starter distillate), nonfat dry milk, grated parmesan cheese (pasteurized part-skim cow's milk, culture, salt, starch and powdered cellulose to prevent caking), yeast, sugar, salt, dough conditioner (wheat flour, malted barley flour, ascorbic acid, soybean oil, enzymes), buttery cheddar hs cheese flavor (dehydrated blend of whey, partially hydrogenated soybean oil, maltodextrin, salt, whey protein concentrate, cheese [cheddar and semisoft [pasteurized milk, cheese culture, salt, enzymes], contains less than 2% of monosodium glutamate, sodium phosphate, lactic acid, citric acid, butter, yellow 5, autolyzed yeast extract, yellow 6, spice, artificial flavor, tricalcium phosphate).

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