Aging or Maturing Your Egg Whites! Loosen those coiled Proteins!

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As strange as this extra but crucial step of aging your egg whites is, the result of it is actually quite beneficial to your success of whipping up a strong meringue. Aging or "maturing" in regards to egg whites is simply just a process of evaporating some of it's moisture content in the whites, and also allowing the coiled proteins to relax over time.



And to further understand the whole "coiled" proteins and how it works, just picture a slinky and how it is all coiled up like a spring. ( But okay, I'm sure under the microscope, the coiled proteins doesn't actually look like that! But you get the idea! ) It's hard to get it to stretch out without it springing back at you, so therefore, we age/mature the egg whites in room temperature or slightly warmer to allow the proteins to loosen up. Simple as that. When the coiled proteins in the egg whites are relaxed, they become much more easier to whisk up compared to egg whites straight out of the refrigerator, which have a stiffer coiled proteins. Although, both will eventually achieve the same volume when whisked, but one will take a longer time and the other, less.



Although some of pastry chefs in France will age their egg whites for days, weeks and sometimes even months! But you don't have to go to the extreme like that. They are most likely aging their egg whites for a different and specific purpose, like evaporating moisture content- and we will get to that in the later posts. But aging your egg whites for moisture evaporation is VERY important in making macarons, and yes, we will also talk about that later.