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Processed Egg Whites

How do these packaged products compare to fresh egg whites—both in taste and performance?

What We Learned

When you need a lot of egg whites for a recipe, it’s tempting to grab a carton of egg whites sold in the supermarket dairy case or a canister of powdered egg whites in the baking aisle. But do these taste the same as fresh egg whites, and can you cook with them with comparable results? We bought four products (three liquid and one dehydrated) put out by national brands and made egg ...

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