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Make The Fluffiest Homemade Marshmallows With One Simple Addition By Karen Hart Nov. 7, 2025 7:39 pm EST

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Fluffiness is key when making perfect homemade marshmallows ; however, if you are skipping this one ingredient, you will never achieve the pillowy heights that every marshmallow deserves. As it turns out, commercial marshmallows, which are made of sugar, corn syrup, gelatin, and water and have a shelf life of 6 to 8 months, do not contain egg whites. This simple ingredient, which gives French meringue its volume and airy peaks, is also key to fluffy marshmallows.

Adding egg whites to your homemade marshmallows is going to produce a fluffy, lighter-than-air texture that surpasses anything you can buy at your typical grocery store.

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