Is BUFFALO MAC & CHEESE vegan?

cooked white penne rigate (pasta [semolina, durum flour, niacin, iron {ferrous sulfate}, thiamin mononitrate, riboflavin, folic acid], canola oil, extra virgin olive oil), buffalo blue cheese dressing (canola oil, cultured buttermilk [skim milk, whey, water, skim milk solids, whey solids, corn starch, tapioca starch, disodium phosphate, carrageenan gum, locust bean gum, culture], pepper sauce [cayenne red peppers, vinegar, salt, garlic], blue cheese [milk, salt, culture, enzymes], water, egg yolk, salt, distilled vinegar, sugar, maltodextrin, cultured dextrose, xanthan gum, carrageenan gum, dried garlic, mustard flour, spice), cheese sauce (milk, sharp white cheddar cheese [pasteurized milk, cheese culture, salt, enzymes], butter, corn starch, sugar, salt, pepper), mozzarella and american cheese blend (pasteurized process cheese [low moisture part-skim mozzarella cheese {pasteurized milk, cheese culture, salt, enzymes}, cheddar cheese {pasteurized milk, cheese culture, salt, enzymes}, cream, water, sodium phosphate, salt], potato starch and powdered cellulose [to prevent caking], natamycin [a natural mold inhibitor]), blue cheese crumbles (blue cheese [pasteurized milk, cheese cultures, salt, enzymes, penicillium roquefortii], powdered cellulose [to prevent caking], natamycin [to protect flavor]).

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