Do i have to use Durkee onions in Japanese Onion Soup?

No, you don't have to use Durkee onions in Japanese Onion Soup. While Durkee onions are a popular topping for added crunch and flavor, traditional Japanese Onion Soup typically features sautéed onions and other ingredients like mushrooms and broth. You can use other types of fried onions or skip them entirely based on your preference.