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Putting food theories to the test with kitchen science

Baking with Freshly Laid Eggs

Are your cakes worse off with the ultra-fresh dozen?

eggs

The belief

Freshly laid eggs have different baking properties than older supermarket eggs.

The truth

Because egg whites thin with age, some bakers theorize that the weakened proteins of eggs even a few weeks old can stretch more than those from just-laid eggs, leading to cakes that rise higher and have a softer, more tender texture than cakes made with the freshest eggs.

To test this theory, we made our Fluffy Yellow Layer Cake with 7-week-old supermarket eggs (we determined their age by the date on the carton) and eggs from a Vermont farm laid a few days before. Any differences we found were slight. The cake made with store-bought eggs dissolved a little more quickly on the tongue, and the cake made with the farm-fresh eggs was a little more “toothsome.” But only a few tasters actually detected these variations in texture. Did one cake rise higher than the other? No.

The bottom line: When baking, egg age doesn’t matter. Whether laid this morning or last week, the eggs (and their respective proteins) will not affect your cake’s rising or texture.

(Photo: robby_m)

About the Author: America's Test Kitchen

We're the cooks, editors, and cookware specialists at America's Test Kitchen, a very real 2,500-square-foot kitchen located just outside Boston. Our mission is to find the very best recipes, ingredients, and kitchen equipment—we do the testing so you don't have to. Find us on our blog, public television, radio, or our many books and magazine publications. Go behind the scenes with us in the kitchen on twitter (@TestKitchen) and on Facebook.

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