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Japanese Onion Soup

A comforting and flavorful Japanese Onion Soup combining sweet caramelized onions with a delicate dashi broth, perfect for a warming appetizer or light meal.

Ingredients

Scale
  • 4 large onions, thinly sliced
  • 4 cups dashi broth
  • 2 tbsp soy sauce
  • 1 tbsp mirin
  • 1 tsp sugar
  • 1 tbsp vegetable oil
  • 2 green onions, thinly sliced
  • Toasted sesame seeds for garnish (optional)

Instructions

  1. Heat vegetable oil in a large pot over medium heat.
  2. Add sliced onions and cook slowly, stirring frequently, until onions are soft and golden brown, about 25 minutes.
  3. Add sugar and continue to cook for another 2 minutes to caramelize slightly.
  4. Pour in the dashi broth, soy sauce, and mirin; stir to combine.
  5. Bring the soup to a gentle boil, then reduce heat and simmer for 10 minutes to develop flavor.
  6. Remove from heat and ladle soup into bowls.
  7. Garnish with sliced green onions and toasted sesame seeds if desired. Serve hot.

Notes

For an extra umami boost, add a few pieces of shiitake mushrooms or a splash of sake while simmering.