I just voted "foil", bit then I realized that I assumed that to be "foil after removing". You probably meant "foil during cook" didn't you?
I don't usually do that, but perhaps I should...my birds always seen to turn out pretty dark.
18.5", 22.5" OTS
Large BGE (chambersuac's)
The Fiery Furnace (chambersuac's)
Big JT's Smokin' BBQ Competition Team