Name: Japanese Miso Soup (Misoshiru)
Yield: 4 servings
Ingredients: *For the dashi:**; 4 cups (1 L) cold water; 1 piece kombu (dried kelp), about 4 × 6 inches; 1 cup loosely packed bonito flakes (katsuobushi); *For the soup:**; 3 tablespoons white (shiro) miso paste; 1 tablespoon red (aka) miso paste (or use all white for a milder soup); 7 oz (200 g) medium-firm tofu, cut into ½-inch cubes; 2 tablespoons dried wakame seaweed; 2 green onions, thinly sliced; Optional additions: sliced shiitake mushrooms, spinach leaves, daikon radish matchsticks

Japanese Miso Soup (Misoshiru)

Cultural Context: Miso soup is the heartbeat of Japanese home cooking — served at nearly every meal, including breakfast. The magic is in the dashi, a stock made from kombu (kelp) and bonito flakes that delivers the deepest umami you'll find anywhere. This is a dish of restraint and balance. Don't o

Ingredients

*For the dashi:**
4 cups (1 L) cold water
1 piece kombu (dried kelp), about 4 × 6 inches
1 cup loosely packed bonito flakes (katsuobushi)
*For the soup:**
3 tablespoons white (shiro) miso paste
1 tablespoon red (aka) miso paste (or use all white for a milder soup)
7 oz (200 g) medium-firm tofu, cut into ½-inch cubes
2 tablespoons dried wakame seaweed
2 green onions, thinly sliced
Optional additions: sliced shiitake mushrooms, spinach leaves, daikon radish matchsticks

Method

**Soak the kombu.** Place the kombu in the cold water in a medium saucepan. Let it sit for at least 30 minutes (or up to overnight in the fridge for a deeper flavor).
**Make the dashi.** Place the pot over medium heat and slowly bring the water just to a simmer — this should take about 10 minutes. Watch carefully. Remove the kombu just before the water reaches a full boil (boiling makes it slimy and bitter).
**Add the bonito.** Once the kombu is out, bring the water to a full boil. Add the bonito flakes, stir once, and immediately turn off the heat. Let the flakes steep for 5 minutes undisturbed. Strain through a fine-mesh sieve lined with cheesecloth or a paper towel. Discard the bonito flakes (or save for a second, weaker dashi). You should have about 3½ cups of golden, aromatic stock.
**Rehydrate the wakame.** Place the dried wakame in a small bowl of warm water for 5 minutes. It will expand significantly. Drain and gently squeeze out excess water.
**Assemble the soup.** Return the dashi to the pot over medium heat. Add the tofu cubes and wakame. If using mushrooms or daikon, add them now. Bring to a gentle simmer and cook for 2-3 minutes.
**Dissolve the miso.** This is the most important step. Reduce heat to low. Place the miso paste in a ladle or small mesh strainer and submerge it halfway into the broth. Use chopsticks or a spoon to dissolve the miso into the liquid gradually. Never boil miso — it kills the beneficial probiotics and turns the flavor harsh.
**Serve immediately** in small bowls, garnished with sliced green onions. If adding spinach, drop it in just before serving — it wilts in seconds.
*Storage:** Dashi keeps refrigerated for up to 5 days or frozen for 3 months. Miso soup is best fresh but will keep overnight in the fridge. Reheat very gently below a simmer.