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Japanese Onion Soup

Freshly prepared Japanese Onion Soup close-up

A comforting and savory Japanese Onion Soup featuring sweet caramelized onions and umami-rich dashi broth, perfect as a light appetizer or warming starter.

Ingredients

Scale
  • 3 large onions, thinly sliced
  • 4 cups dashi stock (Japanese soup stock)
  • 1 tablespoon soy sauce
  • 1 tablespoon mirin
  • 1 teaspoon sugar
  • 1 tablespoon vegetable oil
  • Chopped green onions for garnish
  • Optional: toasted bread or croutons

Instructions

  1. Heat vegetable oil in a large pot over medium heat.
  2. Add the sliced onions and cook slowly, stirring often, until they turn golden brown and caramelized (about 20-25 minutes).
  3. Sprinkle sugar over the onions and cook for another 2 minutes to enhance sweetness.
  4. Pour in the dashi stock and bring to a gentle simmer.
  5. Add soy sauce and mirin, stirring to combine.
  6. Simmer the soup for another 10 minutes to meld the flavors.
  7. Serve hot, garnished with chopped green onions and optional toasted bread or croutons.

Notes

For extra depth, add a small amount of miso paste just before serving, or top with a soft-boiled egg for a heartier option.