Ive heard that to keep from leaving spots, is to use ingredients that dont have much colorings. Things like soy sauce in white meats like turkey.
I would think that dark meats like brisket wouldnt have as much problems in that regard.
Chargriller Super Pro with side firebox
I'd like to be remembered as one of those "larger than life" people, but as I'm only 5'6" I just work on being *wider* than life.
(Pedro Moura Pinheiro, a funny guy)