I don't like yucking on other people's yums but here are mine.
Yum: pepperoni, mushroom, onion, pepper sweet and spicy ones, pineapple, perciutto, olives, fresh basil, arugala, oregano, some dessert pizzas.
Yuck : corn, egg, anchovies or any fish for that matter, broccoli, sliced tomato
On...