I cannot fathom why candied grapefruit stands out in my mind as a great Southern specialty. I presume it is part of the American culture, nationwide, but it was very much a part of my life at home. Then again, my mother was a great candy maker.
Using a potato peeler, shave the rind off the grapefruit, in pieces as large but as thin as possible. Then cut the peel into thin strips. Cover with water, bring to the boil, and drain. Repeat the boiling process three times. The fourth time, cook the peel for 15 minutes after it comes to the boil. Drain thoroughly.