Cut tomatoes in half, lengthwise and discard the seeds. Sprinkle cut surface with a little sugar and turn tomatoes over to drain for 1 hour. Baste them with oil. Place on a rack in a 250 F oven, turn temp down to
200. bake 8 hours, checking and turning. Remove the ones that are done. tomatoes are ready when they are shriveled but you can still feel the meat. Past this point, they are dissected, not dried. Place in a jar with olive oil, oil, and a pinch oregano. Chill.