Quesadilla? Pizza. Taco? Folded pizza. Calzone - taco, therefore folded pizza. Toast with jam? Sweet pizza. Shit on a shingle? Military pizza.
Pizza without bread? Pizza without bread.
Pizza? Pizza.
Pizza with pizza? Pizza++.
A quesadilla is a sandwich, though.
It might be casual heresy but it is right.
Granted, Nice is next door'ish to Italy
Pizza with classes?