I always wonder when I order a plain cheeseburger at the server who asks, "Do you want cheese on that?" Would I have ordered a cheeseburger if I didn't? (In-N-Out seems to get that; I can order a plain cheeseburger and not get interrogated about the cheese.) Regardless, the "meat, cheese, bun; nothing else" approach seems like a good one for future use.

Reminds me, though, of a time I ordered a specialty burger of some sort at Burger King sans sauce, and they said, "We can't make it without the sauce." I asked the clerk, "I thought it was 'Your way, right away?' here." Still a bit baffled at how a special menu item "required" the sauce. Maybe it came prepackaged, frozen, sauce and all... but that seems odd, particularly from a food prep standpoint (reheating without separating the bun from the patty and the toppings seems a bad idea in particular).