Sliced bread is famously one of history's best inventions, but how many slices do you get in a loaf, and why does it vary?

However, slicing a bagel into bread-like slices means that you're likely to end up with two mini-slices -- tiny discs! -- that remain once you've cut all the slices on either side of the bagel's hole.

A bread loaf is packed with sweet roasted vegetables, mozzarella and fresh basil to make a delicious addition to a picnic, or serve in slices at home with crisp croutons for contrast. Preheat the ...