Small Footprint, High Yields. Cooking, heating, browning: The spiral oven from alco slowly and gently runs products through the cooking process by means of a spiral conveyor belt that can be extended if required. That way, large quantities of your product will be cooked, roasted, browned, or just steam cooked very evenly in the spiral oven with circulating air and/or steam. The smart spiral system makes optimum use of the available space so that maximum production capacity is achieved in the sm