Is LASAGNA WITH ITALIAN SAUSAGE vegan?

alfredo sauce (milk, cream [40% butterfat], water, butter [cream and salt], parmesan cheese [pasteurized cow's milk, cheese culture, salt, enzymes], asiago cheese [pasteurized part skim milk, cheese culture, enzymes, salt], corn starch, sea salt, parmesan cheese flavor [parmesan cheese (pasteurized milk, cultures, salt and enzymes), water, salt, sodium phosphate and sodium citrate and xanthan gum], expeller pressed canola oil, acacia gum, black pepper), pizza sauce (vine-ripened fresh tomatoes, blend of extra virgin olive oil and sunflower oil, salt, oregano, granulated garlic, black pepper and naturally derived citric acid), cooked pasta sheet (lasagna pasta [water, durum flour (durum wheat flour, niacin, ferrous sulfate, thiamin mononitrate, riboflavin, folic acid), semolina flour (semolina, niacin, ferrous sulfate, thiamin mononitrate, riboflavin, folic acid), egg whites (egg whites, xanthan gum, triethyl citrate)], water), mozzarella cheese (low moisture part skim mozzarella cheese [pasteurized milk, cheese cultures, salt, enzymes], potato starch, canola oil and cellulose powder added to prevent caking, natamycin [a natural mold inhibitor]), cooked italian sausage (pork, water, salt, spices, corn syrup solids, caramel color, sodium phosphates, autolyzed yeast, flavoring, bha, bht, citric acid), parmesan cheese (parmesan cheese [pasteurized part-skim cow's milk, cheese cultures, salt, enzymes], powdered cellulose added to prevent caking, natamycin [a natural mold inhibitor]), butter (cream, natural flavoring).

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