Easy 15-Minute Vegetarian Miso Soup Recipe

Lunch, Soups

October 30, 2026

Simple & Comforting Miso Soup – vegetarian recipe

Simple, comforting miso soup is the fifteen-minute bowl that ends Japanese meals, and it's almost embarrassingly easy at home: warm dashi, a spoonful of dark miso, cubes of silken tofu, scallions. One rule matters — never let it boil once the miso is in. Follow that and you're most of the way to a good bowl.

There’s nothing quite like the simple, restorative comfort of a perfect bowl of miso soup. It’s more than just a restaurant starter; it’s a nourishing, umami-rich broth that can be a light meal in itself. While the most basic version is just miso and hot water, this recipe elevates it into a truly flavorful and satisfying soup. We’re building a beautiful dashi base and adding delicate silken tofu and fresh scallions. It’s incredibly quick, wonderfully versatile, and the perfect way to bring a taste of Japanese comfort into your own kitchen in just 15 minutes.

Ingredients

• MAKES: 4 servings
• TIME: About 15 minutes
• 1 quart / 950 ml (32.1 fl oz) Kombu Dashi or water
• 1/3 cup / 80 g hatcho or other dark miso paste
• 8 oz / 225 g silken tofu, cut into 1/2-inch cubes
• 1/4 cup / 25 g (0.88 oz) minced scallions

Instructions

1. In a medium saucepan, gently heat the Kombu Dashi or water until it is steaming. It’s important not to let it come to a rolling boil, as this can affect the delicate flavor of the miso.
2. Reduce the heat to low. Ladle about 1/2 cup (480 ml) of the warm liquid into a small bowl and add the miso paste. Whisk vigorously until the paste is completely dissolved and the mixture is smooth. This step prevents clumps of miso in your final soup.
3. Pour the dissolved miso mixture back into the saucepan. Gently stir in the cubed silken tofu. Allow the soup to sit over the low heat for a minute or two, just long enough to warm the tofu through.
4. Ladle the soup into bowls, garnish with the fresh minced scallions, and serve immediately.

Nutritional Information

• (Estimated)
• Serving Size: 1 bowl (approx. 1.5 cups / 360 ml)
• Calories: 85 kcal
• Protein: 6 g
• Carbohydrates: 8 g
• Fat: 3 g
• Sodium: 650 mg

Pro Tips

• Pro-Tips for Perfect Miso Soup
• Never boil the soup after the miso has been added. Boiling can destroy its delicate probiotics and savory, nuanced flavor.
• For a deeper, earthier flavor, sauté sliced fresh shiitake mushrooms in a little sesame oil before adding the dashi to the pot.
• Add a handful of tender greens like spinach or baby bok choy in the last minute of cooking for extra nutrients and a pop of color.
• Garnish with a pinch of shichimi togarashi (Japanese seven-spice blend) or freshly grated ginger for a zesty, warming kick.

FAQ

Q: Is this miso soup recipe vegan
A: Yes, this recipe is completely vegan. It uses Kombu Dashi, which is a seaweed-based broth, or water instead of traditional dashi which often contains fish flakes (bonito). All other ingredients like miso paste, tofu, and scallions are plant-based.

Q: Can I add more protein to this vegetarian soup
A: Absolutely. While the silken tofu provides a good source of protein, you can easily boost it further. Consider adding shelled edamame, wakame seaweed, or even swapping the silken tofu for a firmer variety for a different texture and slightly higher protein content.

Q: What other vegetables can I add to miso soup
A: This soup is very versatile. For more substance and nutrients, you can add thinly sliced shiitake mushrooms, daikon radish, carrots, or leafy greens like spinach and bok choy. Add heartier vegetables early with the dashi and delicate greens in the last minute of cooking.

Q: How do I store and reheat leftover miso soup
A: Store leftover miso soup in an airtight container in the refrigerator for up to 2 days. To reheat, warm it gently on the stovetop over low heat until just steaming. Avoid boiling the soup, as this can damage the beneficial probiotics in the miso and alter its delicate flavor.

More Recipes You’ll Love

Simple & Comforting Miso Soup – vegetarian recipe
Stav Kogan

Simple & Comforting Miso Soup

A nourishing, umami-rich miso soup recipe featuring a beautiful dashi base, delicate silken tofu, and fresh scallions. A taste of Japanese comfort ready in just 15 minutes.
Prep Time 5 minutes
Cook Time 10 minutes
Total Time 15 minutes
Servings: 4 serving
Calories: 85

Ingredients
  

  • 1 quart (950 ml / 32.1 fl oz) Kombu Dashi or water
  • 1/3 cup (80 g / 2.82 oz) hatcho or other dark miso paste
  • 8 oz (225 g) silken tofu, cut into 1/2-inch cubes
  • 1/4 cup (25 g / 0.88 oz) minced scallions
  • Pro-Tips for Perfect Miso Soup
  • Never boil the soup after the miso has been added. Boiling can destroy its delicate probiotics and savory, nuanced flavor.
  • For a deeper, earthier flavor, sauté sliced fresh shiitake mushrooms in a little sesame oil before adding the dashi to the pot.

Method
 

  1. In a medium saucepan, gently heat the Kombu Dashi or water until it is steaming. It's important not to let it come to a rolling boil, as this can affect the delicate flavor of the miso.
  2. Reduce the heat to low. Ladle about 1/2 cup (480 ml) of the warm liquid into a small bowl and add the miso paste.
  3. Whisk vigorously until the paste is completely dissolved and the mixture is smooth. This step prevents clumps of miso in your final soup.
  4. Pour the dissolved miso mixture back into the saucepan. Gently stir in the cubed silken tofu. Allow the soup to sit over the low heat for a minute or two, just long enough to warm the tofu through.
  5. Ladle the soup into bowls, garnish with the fresh minced scallions, and serve immediately.
  6. Add a handful of tender greens like spinach or baby bok choy in the last minute of cooking for extra nutrients and a pop of color.
  7. Garnish with a pinch of shichimi togarashi (Japanese seven-spice blend) or freshly grated ginger for a zesty, warming kick.

Nutrition

Calories: 85kcalCarbohydrates: 8gProtein: 6gFat: 3g

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