Is there any other way to roast tomatoes - besides in the oven, for 2 plus hours - that would use less energy? Would a solar oven work?

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ImmaEatThat
ImmaEatThat September 30, 2010

What is your temp for roasting them at? You can roast at a higher temperature, like 425 Fahrenheit for less than 20 minutes. An entire 2 inch metal hotel pan filled with cherry tomatoes finishes at less than 5 minutes at that temperature.

Make sure your pan is not crowded. You can also sear on cast iron and finish in the oven.

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pierino
pierino September 30, 2010

I'm not sure about the comparative carbon footprint here but you can roast them over real wood charcoal (hickory, cherry etc.) in a lidded outdoor grill. Even a Weber kettle will work. Either lay them out on a sheet pan or wrap in foil. Puncture the foil enough so that they don't stew as opposed to roast.

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Christina Ward
Christina Ward September 30, 2010

Not sure what your living situation or geographic location is, but you can do it outside in the sun. If you've got a good sunny day, lay them out on a picnic table on half sheets (or the equivalent). Sprinkle with a little salt to help draw out the moisture. It is critical to keep them covered with a netting or anything that will keep the bugs out! A good trick is to use cheesecloth...BUT you want to keep the cloth off the surface of the tomaters. Essentially, you need to build them a mini tent. Depending on the temperature, it can take a couple hours to all day.

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anyone
anyone September 30, 2010

Wood fired BBQ or Wood fired fireplace.

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jenmmcd
jenmmcd September 30, 2010

But I wouldn't cook tomatoes in a cast iron... an ovenproof dish, yes, like enameled cast iron, but not a seasoned, black cast iron as it will destroy the finish.

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anyone
anyone September 30, 2010

Roasting them on a grate rather than in a pot seems like it would work. I have had enameled cast iron get too hot and pop the enamel off about twenty years ago.Foil seems like a likely candidate but wouldn' the aluminum and acid react?

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jenmmcd
jenmmcd September 30, 2010

Oh, to be clear, I meant in the oven for an enameled cast iron, not directly on a grill. I roast tomatoes in foil pouches on the grill all the time with no reaction.

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