A method, system, and apparatus for roasting product such as chile comprises an inner roasting chamber, an exterior housing, housing the inner roasting chamber, a fixed engagement between the inner roasting chamber and the exterior housing on a burner end of the roaster system, an end cap fitting on a product exit end of the roaster system such that the inner roasting chamber can expand and contract within the exterior housing, a conveyor assembly comprising a conveyor belt, a motor configured to drive the conveyor belt, and a tensioning mechanism to adjust tension in the conveyor belt, and a gas distribution assembly connected to at least one burner.
