What Defines a Sandwich?

Sandwich or Not a Sandwich?

Open-Faced Sandwich

Now that we've sorted out the burgers from the burger impostors, it's time to turn our attention to sandwiches. How do you define a sandwich? Does it have to have two pieces of bread or is open-faced OK? Do burgers and hot dogs count? Click through to cast your vote on 10 maybe-sandwiches.