Raw onions are a type of vegetable that belong to the Allium family, which also includes garlic and leeks. They are commonly used in cooking for their strong flavor and aroma. Onions come in various colors, including white, yellow, and red, each offering a slightly different taste profile. When eaten raw, onions can add a crunchy texture and a sharp, pungent flavor to salads, sandwiches, and salsas. They are low in calories and rich in vitamins, particularly vitamin C and B vitamins, as well as antioxidants that may provide health benefits.