Are SCALLOPED POTATOES vegan?

potatoes (sliced potatoes, dextrose, potassium sorbate to protect flavor, disodium pyrophosphate to maintain color), sauce (half & half [grade a milk, cream], water, heavy cream [grade a heavy cream], white cheddar cheese [cheddar cheese {pasteurized milk, cheese culture, salt, enzymes}, potato starch and powdered cellulose {to prevent caking}], parmesan cheese [parmesan cheese {pasteurized milk, cheese culture, salt, enzymes}, potato starch and powdered cellulose {to prevent caking}], swiss cheese [swiss cheese {pasteurized milk, cheese culture, salt, enzymes}, powdered cellulose {to prevent caking}], butter [pasteurized cream, natural flavorings], modified corn starch, salt, garlic, white pepper), swiss cheese (swiss cheese [pasteurized milk, cheese culture, salt, enzymes], powdered cellulose [to prevent caking]), chives.

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