The ugliest tomato she's ever seen, but oh so good

Andrea picks up an heirloom tomato at the Copley farmer's market:

... It was big and purple, and it looked sort of diseased. Had I not known better, I would have thought it was rotten. When I cut into it, its very center was red, with dark splotches of purple around the edges. I cubed the whole thing and threw it into a pan coated with warm olive oil. Then I added a pinch of salt and a pinch of sugar and waited just a few minutes for it to become a sauce for my rigatoni, tossed with fresh parsley and Argentine parmesan. ...