Yes. You have a couple of options for reheating these stuffed Italian peppers.  In the oven: Bake in a 425 degree oven for 30 minutes or until the internal temperature is 165 and the bread crumbs are crispy. Cover with foil if the topping gets too brown before the peppers are warm. Microwave/oven combo: Heat the peppers in the microwave until warm, then place them under the broiler for 1-2 minutes to crisp the bread crumbs.