Onion is a versatile and essential vegetable widely used in global cuisine for its rich flavor and health benefits. Available in red, white, and yellow varieties, onions are known for their pungent aroma and slightly sweet taste when cooked. They are packed with antioxidants, vitamins, and minerals, supporting immunity, digestion, and heart health. Onions are used in salads, curries, soups, and sauces, enhancing the taste of various dishes. Whether consumed raw, sautéed, or fried, onions remain a fundamental ingredient in kitchens worldwide.