The most popular pizza topping in the United States currently remains pepperoni, a classic for pizza-lovers all over. The most popular pizza toppings out there today include pepperoni, peppers, pineapple, sausage, onions, olives, mushrooms, extra cheese, anchovies, bacon, basil, and tomato. How To Cook Recipes put together this guide to what the most popular pizza toppings are across each individual state in America, based on search data via Google trends (and their search interest scores).