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Use of a thermos

J

jw2n

Joined
Sep 22, 2009
Messages
959
This is a random thought that someone here may know the answer to. I always have a stainless steel thermos of coffe with me. Could this be used over an open fire for cooking and boiling water? With it's double wall construction and vacuum I was not sure how it would react.
 
No, you will destroy a perfectly good bottle. It needs to be single wall.
 
Like they said above, use something single walled. A thermo would be good for later when you are walking around and may want a warm drink/food.
 
I always have a cup/pot with me. The thermos question was just a thought that popped in my head as a back-up, or whether it was possible.
 
If thermos works as a cooking pot, it will not hold temperature that long time.
BTW, I love those durable lightweight thermos for winter hike so much.
I put various thing in it like soup or chocolate, of course coffee or tea.
 
Instead of cooking over a fire with a Thermos place hot water, rice or noodles, some fresh or dried veggies, and some bouillon into the Thermos. Go for a walk and in 20-30 minutes you have stew.
 
As Eyegor pointed out you can "cook" in them, just not directly over a fire. Do a Google search for "Thermos Cooking" and there is plenty of info on it. It's something I recently tried with limited success only because it was the first I tried it and I didn't do my pre-cooking right. (If you try to cook brown rice in a thermos you'll want to boil it for at least 10 minutes before putting it in the thermos.)

I still have some other things I want to try, but I haven't had the time.
 
If you're going to "cook" like that in a Thermos, first put boiling water in and let it sit, to warm up the Thermos itself. Then pour the water back in your cookpot and boil it again, and pour it back in the Thermos over the mix of whatever you're looking to cook. Done like that, it should cook up spaghetti nicely. :)
 
Esav Benyamin said:
If you're going to "cook" like that in a Thermos, first put boiling water in and let it sit, to warm up the Thermos itself. Then pour the water back in your cookpot and boil it again, and pour it back in the Thermos over the mix of whatever you're looking to cook. Done like that, it should cook up spaghetti nicely. :)
Click to expand...

Yeah I had done that, but I had not cooked the brown rice long enough prior to putting it in the thermos. It's one of the learning curves for cooking like that. Brown rice takes much longer to cook than white.
 
I imagine if you're going to do rice, you might as well steam it at home and bring it along just to heat up.
 
Esav Benyamin said:
I imagine if you're going to do rice, you might as well steam it at home and bring it along just to heat up.
Click to expand...

Yeah, rice stays good for a while after you cook it. I make rice balls with dried pork inside them as a snack or meal for hikes and they will keep for a few days at least. If you intend on steaming it or adding water in some fashion, I bet rice lasts even longer after being cooked.
 
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