Calzone: the prim & proper pizza eater's answer to the ooze and drip of melted cheese, hot sauce, and ungainly toppings. Let's just call it outside-in pizza. If you're a lover of thin-crust pizza, you know that it can be a bit fragile, structurally speaking. Loading thin-crust pizza with anything more than the merest layer of sauce, perhaps pepperoni and paper-thin mushroom slices, plus a drizzle (not a blizzard) of cheese can result in the dreaded FLOP.