Is MEXICAN STYLE PIZZA vegan?

crust (wheat flour [enriched wheat flour {wheat flour, niacin, reduced iron, thiamine mononitrate, riboflavin, folic acid}, enzyme], water, soybean oil, yeast, contains 2% or less of: salt, baking powder [sodium acid pyrophosphate, sodium bicarbonate, corn starch, monocalcium phosphate], cultured whey, whey, sugar, vinegar, lecithin, dough conditioner [wheat flour, ascorbic acid, enzymes], soy lecithin [processing aid]), sauce (water, tomatoes, sugar, salt, spices including chili pepper, dextrose, garlic and onion, natural flavors, extractive of paprika), cheeses (low moisture whole milk mozzarella cheese [pasteurized milk cheese cultures, salt, enzymes], cheddar cheese [pasteurized milk, cheese culture, salt, enzymes, annatto]), cooked beef pizza topping (hamburger [beef, salt, spice], water, textured vegetable protein [soy protein concentrate, caramel color], dried potatoes [dehydrated potatoes, sodium acid pyrophosphate], hydrolyzed corn protein and hydrolyzed soy protein and hydrolyzed wheat gluten, corn syrup solids, maltodextrin, grill flavor [from partially hydrogenated soybean and cottonseed oil], garlic powder, modified corn starch), onion, black olives (olives, water, salt, ferrous gluconate), green pepper, red pepper.

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