Chicken sausage with caramelized onions pizza

Crust (wheat flour, water, stone ground wheat flour, soybean oil, bread crumbs [wheat flour, sugar, yeast, salt], hulled millet seed, ground flax seed, steel cut oats, salt, sugar, wheat gluten, yeast), mozzarella cheese (pasteurized milk, cheese cultures, salt, enzymes, and natamycin [to inhibit mold]), cooked natural spicy italian chicken sausage (boneless chicken thigh [with skin], boneless chicken white meat, roasted red peppers, provolone cheese [cultured milk, enzymes, salt], spices, sea salt, roasted garlic, sugar, dried red bell pepper, flavoring), tomato puree (tomatoes, salt, citric acid), water, onions, red bell peppers, contains 2% or less of: garlic, tomato paste, parmesan and romano cheese blend (parmesan cheese [pasteurized part-skim cow's milk, cheese cultures, salt, enzymes]. romano cheese [pasteurized sheep's milk, cheese cultures, salt, enzymes], powdered cellulose added to prevent caking), spices, salt.