A Reuben, but a BLT is a very, very close second. So why do I eat at least a dozen burgers for either one of those? Somebody please explain why we can't get some of the most popular sandwiches at the biggest fast food places. They usually have bacon burgers, and they have lettuce and tomatoes on hand all the time, so where is the BLT? The Reuben is probably more of a challenge, but seriously, why not? I know I don't need any more unhealthy food in my life, so it's a purely academic question.