Some canned sardines are already de-boned, and for most bone-in canned sardines, you can just halve each one length-wise and pull out the spine in one piece. Th

Some canned sardines are already de-boned, and for most bone-in canned sardines, you can just halve each one length-wise and pull out the spine in one piece. The bones are also totally edible themselves, albeit off-puttingly crunchy to some people.