Miso Soup Recipe
This Miso Soup Recipe is an easy, healthy, homemade Japanese classic that you can whip up in just 15 minutes—perfect for cozy weeknights and vegetarian diets.
Miso soup, a cornerstone of traditional Japanese breakfasts and dinners, brings together umami-rich miso paste, soothing dashi broth, and tender tofu or seasonal vegetables. What makes it special is its balance of savory flavors and gut-friendly probiotics—one cup packs about 40–50 calories, 4–5 grams of protein, and billions of live cultures. I first fell for miso soup when my kids were little—they’d ask for “Mom’s magic broth” whenever sniffles hit. Nowadays, it’s my go-to comfort dish during chilly evenings or when I need a light, nourishing start. Growing interest in fermented foods means miso is popping up everywhere from trendy cafés in Portland to home cooks across the Midwest. Ready for a bowl that feels like a warm hug? Let me explain why this Miso Soup Recipe deserves a permanent spot on your menu.
Why You’ll Love This Recipe
- Quick prep—ready in under 15 minutes
- No complicated chopping—just simple slicing and stirring
- Vegetarian (or vegan) option—use kombu dashi for plant-based flair
- Low-calorie, high-flavor—under 50 calories per cup with a savory punch
- Gut-friendly probiotics—miso paste delivers live cultures for digestion
- Seasonal flexibility—swap in greens, mushrooms, or leftover root veggies
- Soul-soothing warmth—great for colds, jet lag, or post-yoga calm
- Authentic Japanese comfort—no travel required
Ingredients
• 4 cups water
• 1 piece kombu (dried kelp), 4×4-inch (for vegetarian dashi) or 4 cups low-sodium dashi stock (homemade or store-bought)
• ½ cup white or yellow miso paste (try Hikari or Marukome brands)
• 4 oz silken tofu, cut into ½-inch cubes (use extra-firm if you prefer more texture)
• 2 green onions, thinly sliced on the diagonal
• 1 cup baby spinach or baby bok choy, roughly chopped
• 2 tablespoons wakame seaweed, soaked 5 minutes then drained (optional)
• 1 teaspoon toasted sesame oil (optional garnish)
• 1 teaspoon toasted sesame seeds (optional garnish)
Tips: Choose non-GMO miso for best flavor; if you can’t find kombu, grab instant dashi granules (look for gluten-free versions if needed). Rinse tofu under cold water to remove excess packing liquid.
Directions
- Prepare the dashi base. In a medium pot, combine water and kombu. Let it steep off-heat for 10 minutes—this brings out subtle kelp notes without bitterness.
- Heat gently. Place pot over medium-low heat until just before simmering. Remove kombu right when tiny bubbles appear around edges.
- Add dashi or instant stock. If you’re using store-bought dashi, pour it in now and bring back to a gentle simmer.
- Soften wakame. Stir in the soaked wakame seaweed; it’ll plump in seconds.
- Dissolve miso. Scoop miso into a small bowl, ladle ¼ cup warm broth over it, and whisk until smooth—this prevents clumps.
- Combine and heat. Reduce heat to low, stir miso slurry back into the pot, avoiding a boil (boiling kills beneficial probiotics).
- Add tofu and greens. Gently slide in tofu cubes and spinach/bok choy; cook 1–2 minutes until greens wilt and tofu warms through.
- Finish and serve. Turn off heat, taste for seasoning (add a pinch of salt or a dash of soy sauce if you like it saltier). Ladle into bowls and sprinkle green onions, sesame seeds, and a drizzle of sesame oil.
Servings & Timing
Makes 4 cups (about 4 small bowls)
Prep Time: 5 minutes (plus 10-minute kombu steep)
Cook Time: 10 minutes
Total Time: 20–25 minutes
Variations
• Shiitake Mushroom Twist: Swap half the water for strained shiitake soaking liquid and toss in sliced mushrooms.
• Spicy Kick: Stir in ½ teaspoon chili oil or a pinch of shichimi togarashi.
• Miso Ramen Style: Add cooked ramen noodles, a soft-boiled egg, and shredded nori.
• Autumn Harvest: Toss in diced sweet potato or carrot for sweetness and color.
• Vegan Upgrade: Use all-vegetable dashi, firm tofu, and add chopped enoki mushrooms.
• Protein Boost: Stir in leftover shredded chicken or tempeh cubes for extra protein.
Storage & Reheating
Store leftover miso soup in an airtight container in the fridge for up to 3 days—its flavor deepens overnight. For freezing, remove tofu (it can turn grainy), then freeze broth alone up to a month. Thaw in the fridge, heat gently, and add fresh tofu and greens just before serving. Make-ahead tip: Prep the dashi and miso slurry separately; refrigerate both and combine on busy nights for a 5-minute dinner fix.
Notes
• Always avoid boiling miso; high heat lessens its probiotic benefits and can mute the delicate flavor.
• If your miso tastes too salty, scoop out a bit of the broth and replace with warm water.
• For a creamier mouthfeel, mix in 1 tablespoon of unsweetened soy milk before serving.
• Experiment with red miso for a deeper, earthier taste—start with half the amount, then adjust.
• I learned, after many trials, that slicing green onions on the diagonal adds a restaurant-style touch and a sweeter bite.
FAQs
Q1: Can I make this soup gluten-free?
A: Yes—choose gluten-free miso paste and dashi granules; most rice misos are naturally free of wheat.
Q2: Why isn’t my miso dissolving smoothly?
A: Whisk miso with a small amount of warm broth first; that paste-like slurry blends seamlessly when added back.
Q3: What’s the best miso for beginners?
A: White (shiro) miso is mild and slightly sweet—perfect if you’re new to fermented flavors.
Q4: Can I add noodles?
A: Absolutely—short udon or soba noodles turn this into a heartier meal; cook separately then add at the end.
Q5: How do I keep tofu from falling apart?
A: Use extra-firm tofu and handle it gently with a slotted spoon or chopsticks when serving.
Q6: Is miso soup safe for pregnant women?
A: Yes—miso’s pasteurized during production, but check sodium content and avoid raw kombu if concerned.
Q7: Why is my soup cloudy?
A: Cloudiness can come from undissolved miso or stirred-up solids; strain through a fine-mesh sieve if you prefer clarity.
Q8: How can I boost the umami?
A: Add a teaspoon of bonito flakes to your dashi or stir in a few drops of fish sauce for extra depth.
Conclusion
This Miso Soup Recipe is your passport to quick, nourishing Japanese comfort—rich in flavor, friendly to your gut, and endlessly adaptable. Give it a whirl this week, then pop back and let me know how you tweaked it or share a snap on Instagram. If you’re craving more warm bowls, check out my Easy Vegan Ramen or Homemade Gyoza for another cozy kitchen adventure!

Miso Soup
Ingredients
- 4 cups water
- 1 piece kombu (dried kelp), 4×4-inch (for vegetarian dashi) or 4 cups low-sodium dashi stock (homemade or store-bought)
- ½ cup white or yellow miso paste (try Hikari or Marukome brands)
- 4 oz silken tofu, cut into ½-inch cubes (use extra-firm if you prefer more texture)
- 2 green onions, thinly sliced on the diagonal
- 1 cup baby spinach or baby bok choy, roughly chopped
- 2 tablespoons wakame seaweed, soaked 5 minutes then drained (optional)
- 1 teaspoon toasted sesame oil (optional garnish)
- 1 teaspoon toasted sesame seeds (optional garnish)
Instructions
- In a medium pot, combine water and kombu. Let it steep off-heat for 10 minutes.
- Place pot over medium-low heat until just before simmering. Remove kombu when tiny bubbles appear around edges.
- Pour in store-bought dashi if using and bring back to a gentle simmer.
- Stir in soaked wakame seaweed; it'll plump in seconds.
- Whisk miso paste with warm broth in a small bowl until smooth.
- Stir miso slurry back into the pot over low heat, avoiding boiling.
- Gently add tofu cubes and spinach/bok choy; cook until greens wilt and tofu warms through.
- Taste for seasoning, ladle into bowls, and sprinkle with green onions, sesame seeds, and sesame oil.

