Ingredients

  • 2 teaspoons instant dashi powder (Instant dashi is Japanese stock made from bonito (dried tuna flakes) and seaweed)
  • 4 cups water
  • 2 teaspoons finely grated fresh ginger
  • 1/4 pound shiitake mushrooms, stemmed and caps thinly sliced
  • 1/2 cup shelled edamame (3 ounces)
  • One 14-ounce package firm silken tofu, cut into 1-inch cubes
  • 8 water chestnuts, thinly sliced
  • One 5-ounce bag baby spinach
  • 2 tablespoons low-sodium soy sauce
  • 2 tablespoons mirin
  • 1 teaspoon fresh lemon juice
  • 1 scallion, thinly sliced

Method

  • In a large saucepan, bring the dashi and water to a simmer.
  • Add the grated ginger, sliced shiitake, edamame, tofu and water chestnuts and simmer over moderate heat for 5 minutes.
  • Add the spinach, soy sauce, mirin and lemon juice and stir just until the spinach is wilted. Serve in bowls with the scallion.