Wash and peel potatoes. Cut into 1/2-inch cubes if desired.
Boil cubes 2 minutes or whole 1–2 inch potatoes 10 minutes; drain.
Pack hot with fresh boiling water, leaving 1-inch headspace. Do not use starchy cooking water.
Pressure process pints 35 minutes or quarts 40 minutes.
Dial 11/12/13/14 psi by altitude; weighted 10 psi through 1,000 ft, 15 psi above.