 With a dehydrator. Do an internet search; you also see them on Ebay.
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 Pot noodle it is then. Too gorgeous! :-)
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I'd rather eat my own arm....
Shin Cup et al are rather tasty, though....
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 Jules, we've been using the Lakeland boil in the bags for about a year now, in combination with a Trangia. Wouldn't go back to dehydrated crap now. The only problem with them is keeping them sealed in your rucksack.
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I don't think JJ's amr will fit in my rucsack. But, where there's a will....
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I find pot noodles wholesome, nutritous, flavour packed and filling. They contain all the essential ingredients of a well balanced diet...
...They're letting us out into the garden tomorrow for art therapy.
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 Hi Kevin, I use a food dehydrator, it takes time and trial and error to get it right mind. At the moment I am doing fish, it serves me a nice fish and rice mixture. The rice is cooked and dried also,it cooks in no time.
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 JYC,
Back to the Thermotec.... Do you own one?
I have been thinking about this (the pre-heat loop) and have revised my initial doubts as to how it can work for gas.
I thought it would have no effect as the heat & consequent increase in volume & pressure could not travel back down the system any further than the point at which the canister joins the hose.
Now I am not so sure, as it dawned on me that it might; the valve on these canisters opens when the stove/hose is screwed in, therefore their might not be a non-return valve in the system(?)
What do you think? It seems silly that the designers would have added to the weight of the stove if it wasn't going to make a reasonable improvement, and in any case Cara has already said that she definitely believes it helps.
In use does the canister warm up noticeably? If so that might suggest that gas warmed from the loop is returning into the canister & helping increase the pressure.
I know these things shouldn't keep me awake at night but hey!
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Mark - if you mean me? yes, we bought the Thermotech a few months back. I haven't fondled the canister to see if any heat has radiated back to the canister but both the gas itself and the rubber hose are poor conductors so I can't see much transference going on meself.
Having said that, though, it's a stonking stove and I love it. Giving the can a wee shake now and again to increase the 'melange' of the gases makes a hell of a difference in performance.
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 I don't think the pre-heat loop will be able to heat the canister - if you wanted to do that you could just place the canister closer to the stove itself.
What the pre-heat loop allows you to do is invert the canister, so liquid fuel comes out, this is then heated in the loop, so turns to gas, and so burns smoothly, even in very cold temps.
I tried the same thing (inverting the gas) on a stove without the loop - mucho spluttering and flaring!
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 The pre-heat tubes on the old Coleman Alpine and similar designed stoves do work.
Like Rob says, when the temperature REALLY drops, or the cartridge is almost empty you just invert it and hey presto, good strong flame.
As for how well it works without inverting the cartridge, I'd not really thought about it too much.
However, how much does the pressure have to change to make a noticable difference?
My bet is, not a lot.
I say this because when using a cannister-top stove, if its really cold or running out then simply placing your hands round the cannister will make a noticable difference to the output - and I have cold hands!
So, if the small amount of heat that must actually get through to the gas inside the cannister can produce enough of a pressure change to improve the power output, then I dont think that the pre-heater tubes will need to do increase the pressure of the gas coming out (or more to the point the AMOUNT of gas coming out) too much to improve the power output.
Or, of course I could be talking utter nonsense. But its sunday afternoon, and I'm avoiding doing anything constructive....
Rob - sounds like something one of my scouts did a couple of years back.... was very impressive (in hindsight).
Si
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 Kevin beware:I notice a reference above to Pot Noodles, there is some pot noodles on the list of foods affcted by that SUDAN 1 stuff!!!Anyone looked at that list? Do people really eat the rubbish on there?
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JJ, I didn't mean you... there was someone posting on the previous page that sounded like they owned one.
However, you have got one (didn't you buy it in Hathersage after the Edale meet a year or so ago?) so thanks for the answer anyway!
I didn't think the idea was to heat the gas in the cannister just thinking out loud that if the heated gas 'could' travel back into the canister it might warm slightly.
However what Rob say's makes a lot of sense, as far as my sleepless nights go I will accept his suggestion as a decent reason to include a pre heat tube on a gas stove!
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I apologise for the wayward apostrophe in the above post...
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 Just eating one of my boil in the bag experiments ( vege spag bol) very nice it is too.
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