It's worth reading the article for the third paragraph alone :
There are times when I'll head into a bog-standard New York slice joint, see those pre-cooked squares with their flat disks of pepperoni, watch some poor sap order them, and think to myself: Ah, you've fallen victim to one of the two classic blunders, the most famous of which is "never question your pizza toppings in Asia," but only slightly less well known is this: "Never order a Sicilian when you spy flat-laying pepperoni on the line."
