Add Yahoo as a preferred source to see more of our stories on Google. Slices of white bread on a wooden board with a knife - Brent Hofacker/Shutterstock As much as we love a good artisan boule, ...

As much as we love a good artisan boule, pre-sliced sandwich bread -- the kind found in a plastic bag at any supermarket -- is famously one of history's best inventions for a reason. Sliced sandwich ...