Marshmallow is a light, delicate treat consisting of whipped proteins, sugar, pectin and flavorings. Its main characteristics are air texture and sweet taste. Sephirus is rich in carbohydrates, which provides a quick charge of energy. It also contains a small amount of protein. Sephire is often used to decorate cakes, prepare desserts and add to hot chocolate. Keep a marshmallow in a dry cool place to avoid loss of shape and humidity. The shelf life depends on the ingredients, but usually is several weeks.