Wash, remove seeds, cut into 1-inch-wide slices, peel, and cut flesh into 1-inch cubes.
Boil cubes 2 minutes. Do not mash or puree.
Pack cubes with cooking liquid, leaving 1-inch headspace.
Pressure process pints 55 minutes or quarts 90 minutes.
Dial 11/12/13/14 psi by altitude; weighted 10 psi through 1,000 ft, 15 psi above.