How to say "whip the egg whites until stiff"

Question

How do I say "whip the egg whites until stiff"

Answer 1

From a Spanish cookbook : "monte las claras a punto de nieve "

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Answer 2

I would say Batir las claras hasta son tiesas...please wait for confirmation on that!

Thanks - Dbears111, Nov 8, 2011

I'm thinking "están tiesas" instead of "son tiesas." - webdunce, Nov 8, 2011

And it would definitely be "hasta que"...So probably Batir las claras hasta que están tiesas (or rigidas, maybe?). But I am also not a Spanish native. - webdunce, Nov 8, 2011