Onions are bulbous vegetables with layers of flavor, ranging from sharp and pungent to sweet when caramelized. They are essential in countless dishes worldwide, adding depth as a base ingredient in soups, stews, and sauces. Onions come in various types and colors, from white and yellow to red and sweet varieties, each lending its unique taste and texture to culinary creations. Whether raw, sautéed, or roasted, onions elevate the flavor profile of dishes and are a staple in kitchens globally.