Hi Charlie boy I used bought a gas canister oven ,uses the same canister as the single stoves used by campers in tents , got mine about two years ago , off Facebook market place , it was unused and guy wanted ,80 guid , I said will you take 60 I will come for it now , he was only in next town , people say about butane not working well in the cold ,my van is never cold , and I store the canisters in double bubble wrap if that ever happened , or in my fuckin bed even ha ha , in home bargains you get four for about a fiver ,I have cooked alsorts in mine , including bread , joints of meat ,you name it I have cooked it in my gas canister oven .x