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Old 05-25-2006, 02:19 PM   #1
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Why use copper to beat eggs?

I was watching Friends and in it Rachael was beating something in a copper vessel. I remember having read somewhere that beating eggs(it's egg right? or something else?) in a copper bowl gives good results. Why is it so? I need help remembering that. Thanks

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Old 05-25-2006, 02:58 PM   #2
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Beating egg whites into a meringue in a copper bowl will give you fluffier whites faster. There is a chemical reaction with the copper surface of the bowl that speeds the process.
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Old 05-25-2006, 03:55 PM   #3
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I remember Natalie ............, can't remember her last name who used to beat the egg whites in a copper bowl and hold them over her head with the bowl upside down to show how stiff and together they were.
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Old 05-25-2006, 05:27 PM   #4
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Quote:
Originally Posted by licia
I remember Natalie ............, can't remember her last name who used to beat the egg whites in a copper bowl and hold them over her head with the bowl upside down to show how stiff and together they were.
I remember her too licia, I think her last name was Dupree..Use to watch all the time. Fun show.

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Old 05-26-2006, 03:00 AM   #5
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Rachel doesn't know how to cook anyway.
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Old 05-26-2006, 10:03 PM   #6
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It probably was Nathalie Dupree ... Shirley Corriher discusses testing out the "copper bowl" mystery with some of the staff at Nathalie's cooking school in her book Cookwise (pages 234-235).

In short - the protein in egg whites that links together around the air bubbles created from whipping the whites forms a chemical bond with the copper ions in the bowl. While it doesn't increase the volume per se - it does stabalize them, they loose much less moisture, and increases the volume of the final product significantly since they do not deflate and lose moisture like whites whipped in other bowls (glass, stainless steel, etc.)
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Old 05-28-2006, 01:43 PM   #7
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Quote:
Originally Posted by corazon90
Rachel doesn't know how to cook anyway.
I know! It was the episode in which she makes a mixture of English Trifle and Shephard's Pie
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Old 05-28-2006, 09:50 PM   #8
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Ah yes, I know that episode. That is one of my favorite ones! Sorry to highjack the thread.
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Old 05-28-2006, 10:54 PM   #9
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Getting back on topic, the subject is beating eggs in copper bowls...
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Old 05-29-2006, 07:14 AM   #10
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Natalie Dupree used to clean her copper bowls with vinegar and salt just before she beat the egg whites. I think she said it was to make sure no speck of oil was in the bowl. I don't know if that method was hers or from someone else and she used it. I just beat mine in an "impeccably clean"(ala Julia Child) glass bowl. Not that Julia used glass, but she always stressed the impeccably clean part, whether it was fingers, spoons, bowls, etc.I always liked the way July used a clean teaspoon to taste whatever she was cooking. I hate to see someone taste from the stirring spoon and continue using it. Justin Wilson was the worst for doing that, but I wouldn't have eaten what he cooked anyway. He always seemed a bit unsanitary to me.
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