Posted by jiarby on October 16, 2006 at 19:26:20:
In Reply to: Porterhouse. posted by Lumpy on October 16, 2006 at 18:16:00:

Seared for about 3 minutes a side, then shut the dampers and let the steak dwell at about 550° for a few more mins. Rest 10 minutes.
Perfect!!!