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Does smell good when burning, but my experience it burns fast. If we wanted a warm tent during our hunting trips we had to stoke the fire very frequently.
It is an extremely light smoking wood. Care should be taken to make sure it is dry and seasoned, but is not a sappy wood at all. I gave up on it because it burns very fast produces low heat and very faint smoke. But yes you can cook with it. Cottonwood as well (large leaf).