Interesting idea here!Had a pellet tray from when I used to dabble at cold smoking cheese and pork bellies. It fits perfectly between the burners and looks like it will burn nicely sitting above the air/grease hole in the bottom.
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Yes, it does work. After I smoked the cheese, I lit the burner to see if it would continue to smoke. If I use the center channel so it's not near the burner, it doesn't flame up. The tube type pellet burners that you can center between the two sides would work too if it weren't too long.Looks like a good idea! Does the heat from burning the pellets inside a closed Q raise the temp any? Also, will it work to add smoke while you are cooking on the Q?