Prepare the smoker for barbecuing, bringing the temperature to 200°F to 220°F.
Rub the bananas with a thin coating of oil.
Place the bananas in the smoker and cook until the bananas are deeply browned and soft, 50 to 60 minutes. Remove from the smoker and set aside until cool enough to handle. Peel the bananas and slice them. Serve them warm, topped w