Sandwiches...In this time of fast food chains and busy lives, sandwiches can be a life saver. Food that can be taken away from the kitchen to be eaten whenever and wherever hunger strikes... Food that is ready assembled and requires no utensils to eat it. But they are by no means a new invention. In the Middle Ages, when knives and spoons were the only cutlery and plates were a luxury item, food was often presented on thick slices of stale bread called trenchers...