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Clear Japanese onion soup with sliced mushrooms and green onions.
Victoria Haneveer

Japanese Onion Soup

Clear hibachi-style Japanese onion soup with a light savory broth, sliced mushrooms and fresh green onions. Serve it in small bowls as a restaurant-style appetizer.
Prep Time 15 minutes
Cook Time 50 minutes
Total Time 1 hour 5 minutes
Servings: 4
Course: Soup
Cuisine: Japanese-American

Ingredients
 

  • 1 yellow onion, roughly chopped
  • ½ celery stalk, roughly chopped
  • ½ carrot, roughly chopped
  • 1 teaspoon grated fresh ginger
  • 1 garlic clove, minced
  • 2 tablespoons concentrated chicken stock paste (Choose a paste intended to be diluted, not ready-to-use liquid stock. Start with 1 tablespoon if particularly salty and adjust after straining.)
  • 3 teaspoons beef bouillon granules
  • 2 quarts (2 liters) water
  • 1 cup fresh shiitake mushrooms, roughly chopped
  • 1 cup baby bella mushrooms (chestnut mushrooms), thinly sliced
  • 2 green onions (spring onions), thinly sliced

Method
 

  1. Add the onion, celery, carrot, ginger, garlic and chopped shiitake mushrooms to a large stockpot. Reserve all the sliced baby bella mushrooms. Add the concentrated chicken stock paste, beef bouillon granules and water. Bring to a boil over high heat.
  2. Cover the pot, reduce the heat to medium-low and simmer for 45 minutes.
  3. Set a fine-mesh strainer over a second large pot and carefully strain the broth into it. Discard the cooked vegetables. Add the reserved sliced baby bella mushrooms to the strained broth.
  4. Simmer the strained broth and mushrooms for 3 minutes. Divide the soup between 4 small soup bowls and garnish with the sliced green onions.

Notes

  • Ginger paste and garlic paste can replace fresh ginger and garlic.
  • White button, cremini or baby bella mushrooms can replace the shiitake mushrooms.
  • Fresh chives can replace the green onions.
  • Bouillon and stock vary in saltiness, so taste the soup before adding salt.
  • Cut the vegetables into smaller pieces when leaving them in the soup.