Extend your halogen ovenrsquos capacity with this useful ring r r if yoursquore already using a halogen oven yoursquoll appreciate what a wonderfully time saving device it is but if yoursquod like to cook larger meals for the family you might occasionally find your oven tight on space r r the vonshef extender ring is the answer to your problem simply place the ring on top of the ovenrsquos base and yoursquoll instantly increase its capacity by a whopping 5 litres giving you pl