When a recipe tells you to fold beaten egg whites into a batter, what you’re doing is making the batter light and fluffy by incorporating air into the mix. There’s definitely a right way and a wrong way to fold egg whites, and this video gives you step-by-step directions so you get the best results. Light and fluffy angel food cakes, mouth-watering mousses, cloud-like soufflés and meringues. They’re all at your fingertips when you know how to fold egg whites. Find out more about eggs and egg substitutes.