赤タマネギ (aka tamajon) is a variety of onion known for its reddish-purple skin and mild flavor. It is often used in salads, salsas, and as a garnish due to its vibrant color and crunchy texture. This onion is rich in antioxidants and vitamins, making it a healthy addition to various dishes. In Japan, 赤タマネギ is particularly popular in regions like Hokkaido, where it is cultivated for its sweetness. It can be eaten raw or cooked, and its unique taste enhances the flavor of many recipes. Chefs appreciate its versatility in both traditional and modern cuisine.