White onions contain vitamin C, fiber, potassium, calcium, and iron.
White onions are best suited for both raw and cooked applications such as roasting, grilling, sautéing, and frying, minced and mixed into white sauces, and guacamole, or layered on sandwiches, burgers, and wraps. White onions sliced can added to soups, stews, and stocks, baked into casseroles, grilled or used as a pizza topping.