If you're not from New Haven, Connecticut, the idea of topping your pizza with seafood might seem like a sacrilege. Don't be deterred! Frank Pepe Pizzeria Napoletana popularized this delicious concoction, which has even been voted the number one pizza in the US. Try it at home with this recipe, and you'll be hard-pressed to deny the deliciousness that is clams, garlic, cream and cheese atop crispy dough.