Yuzu is a citrus fruit originating from East Asia, particularly popular in Japan, Korea, and China. It resembles a small grapefruit, with a bumpy yellow or green skin and a tart, aromatic flavor. Yuzu is often used in cooking, sauces, and beverages, adding a unique citrusy zest to dishes. The fruit is rich in vitamin C and has a distinct fragrance, making it a favorite in both culinary and cosmetic applications. Yuzu juice and zest are commonly used in dressings, marinades, and desserts, while the peel can be used to infuse flavors in various recipes.