marshmallows

Marshmallows are a confection composed of whipped egg whites, gelatin or corn starch, and sugar, aerated into a light, spongy foam and typically dusted with powdered sugar or cornstarch. Originating from the root of the marshmallow plant (Althaea officinalis) used in ancient Egyptian confections, modern marshmallows were developed in 19th-century France and commercially refined in the United States. The characteristic white, pillowy texture results from the mechanical incorporation of air into the mixture, creating a foam structure stabilized by gelatin or agar. Marshmallows are available in various shapes and sizes—from small cubes for hot beverages to large pillows for roasting—and may be flavored with vanilla, chocolate, or other extracts.

The flavor profile is predominantly sweet with subtle vanilla notes and a delicate, airy mouthfeel that collapses easily on the palate. Marshmallows have a low bulk density due to their high air content and will toast or brown when exposed to direct heat, developing a caramelized exterior.

Marshmallows are used primarily as a sweetening element in beverages, most notably in hot chocolate and hot coffee. They are commonly roasted over open flames in campfire settings, a practice that caramelizes the exterior while warming the interior. In baking and confectionery, marshmallows function as both an ingredient in compound desserts (such as rocky road candy, s'mores, and marshmallow-topped brownies) and as a garnish for cakes and puddings. They can be incorporated into rice cereal treats, used as a mousse base when whipped, or added to frostings for textural contrast. In American cuisine, marshmallow topping on sweet potato casseroles has become a traditional holiday preparation.