Just did a mix of asparagus and shrooms on Friday with some chix. I cut the ends off the asparagus, then cut in half, and cut the shrooms in quarters. Drizzeled it all with some olive oil, salt, pepper, and garlic powder, tossed in a bowl to coat everything. Put it in a 8" metal cake pan and smoked at 230° for about 1.5-2 hours, stirring about once every half hour.
Turned out awesome - wife and kids demolished them.... and the chicken... lol.