Onions are one of the most widely used vegetables globally, celebrated for their sharp flavor, crunchy texture, and versatile culinary applications. Rich in antioxidants, vitamins, and minerals, onions are not only a staple in cooking but also offer numerous health benefits, such as boosting immunity and promoting heart health. They are available in various varieties, including red, white, and yellow onions, each with its unique flavor profile ranging from mild and sweet to pungent and spicy. Onions are essential ingredients in salads, curries, soups, and sauces, making them indispensable in kitchens and food industries worldwide.