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Outside Cooking: Solar Slow Cooker

2007_06_25-Solar-Cooker.jpgForget the grill and the campfire and those little foil packets buried next to the coals. Go directly to the source and cook by the heat of the sun with a solar cooker!

We've been reading up on solar cookers, which use concentrated solar heat to cook food. These usually take the form of an enclosed box oven or a large dish or surface that collects and concentrates heat on the baking dish. You can see video of how these work at this Solar Slow Cooker site, which encourages you to unplug your CrockPot, take it outside, and plunk it in the middle of one of their concentrating solar cookers.

 
 

Solar cookers have been used in many countries where fuel resources are low or where war and unrest make cooking by more traditional methods difficult. They have also been used for water pasteurization in remote areas.

We like the idea of using one, especially for camping or an extended cabin stay. Have you ever used a solar cooker?

(Photo credit: Solar Cooking.org)

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Comments (6)

I remember making one at a science camp one summer. It was an elaborate affair, with a bunch of 8-year-olds cutting out cardboard wedges, covering them with foil and attaching them into a satellite-dish-like shape. Needless to say, it didn't work too well. But I'd be SO psyched to use one that did!

posted by Michelle of Montreal on June 25th 2007 at 8:29am
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Never used a solar _cooker_, although in an engineering design class, my group built a solar food dryer... it looked a bit like this one:

http://www.appropedia.org/Chris's_ENGR305_Solar_Food_Dehydrator

The basic idea was to design something that could be used in developing countries to dry fish.

posted by Mike D on June 25th 2007 at 11:33am
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Whoa. I've never considered solar cooking viable anywhere but the most desperate of areas, but I'll have to give this thing a try on my porch!

I'd imagine any of these recipes:
http://www.recipe4living.com/Recipes/54-Crockpot.aspx
...would work well with it. Can't wait to give it a shot!

posted by Jim of ChewOnThat on June 25th 2007 at 11:57am
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I made one about a year and a half ago, as a way to beat the heat in my kitchen. We had just moved so I used a couple of moving boxes to make the solar oven and I went to the dollar store to buy cheap metal cookware. It worked fine with things like carrots, which were made extra sweet by the long slow cooking with no water. I had a hard time keeping my cardboard solar oven over 215 degrees, so I didn't trust it to cook meat but it cooked vegetables just fine. I ended up using my slow cooker plugged in outside for meat. When we moved into our new home the following spring, I was too busy working on the house to resume use of my solar oven. Now that the days are getting hot again though, I just may resume in a couple of weeks.

posted by rosemarie on June 25th 2007 at 12:28pm
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I built one last year from the instructions on this page:

http://solarcooking.org/plans/funnel.htm

The project cost less than $10 (thankfully, the neighbors were tossing some huge boxes around that time), and scrounging around thrift stores paid off when I scored some enamel cookware.

Mostly I tinkered with making rice and other grains, but I also cooked some veggies, too. I haven't hauled it out this year yet, so these posts made a great reminder.

It is possible to cook during the colder months, too, as long as you have plenty of sun.

posted by catlike on June 25th 2007 at 3:11pm
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I haven't used a solar cooker, but we do cook rice and beans and such on the stove for a shorter time, then stick it in an insulated box to finish. Saves energy and we can leave the house and not worry about a fire.

posted by ringo on June 25th 2007 at 10:58pm
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