Greek-inspired spinach & feta cheese pizza

Dough (soft wheat flour, water, extra virgin olive oil, salt, yeast), topping (spinach, cheese sauce [skimmed milk, taleggio cheese {from cow's milk, animal rennet, salt, lactic ferments}, ricotta cheese {milk whey, from cow's milk, milk cream}, corn starch], tomatoes, mozzarella cheese [from cow's milk, starter culture, microbial rennet, salt], feta cheese [sheep's milk, goat's milk, salt, animal rennet, starter culture], black olives [olives, water, salt, ferrous gluconate {to stabilize color}], sunflower seed oil, olive oil, garlic).