Japanese Tofu and Miso Soup with Mushrooms and Wakame Seaweed

By AislePrompt Test Kitchen · Reviewed by AislePrompt Editorial · ·

A comforting Japanese soup with silken tofu, mushrooms, and wakame seaweed in a miso broth. This japanese-inspired vegan ready in about 25 minutes pairs tofu, miso paste, mushrooms for a weeknight-friendly dinner that comes together with one pan and minimal cleanup. Each serving lands at about 220 calories and feeds 2, so it slots cleanly into a weekly meal plan and pairs well with a quick salad or grain on the side. Tap "Plan a meal with the AI" below to drop this recipe into your week and send the ingredients straight to Instacart. Nutrition values are approximate, calculated from USDA FoodData Central (fdc.nal.usda.gov) — verify against ingredient labels for any health-driven dietary plan.

★ 3.7 (15 ratings) Prep: 10 min Cook: 15 min Serves 2 Japanese cuisine 220 cal/serving
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Ingredients

Instructions

  1. Step 1: Bring 500ml dashi broth to a gentle simmer in a medium pot over medium heat. Add 100g mushrooms (sliced into 1/4-inch thick rounds) and 20g wakame seaweed (rinsed if dried), stirring occasionally. Cook for 8-10 minutes until mushrooms soften and wakame becomes tender and releases its briny aroma.
  2. Step 2: Reduce heat to low. Stir in 1 tbsp miso paste until it dissolves completely, about 1-2 minutes. The soup should smell rich and umami, with a slightly frothy surface.
  3. Step 3: Gently add 200g tofu (cut into 1cm cubes) to the pot. Use a ladle to submerge the tofu and prevent it from sticking. Cook for 3-4 minutes until the tofu is heated through but still soft and slightly firm to the bite.
  4. Step 4: Turn off the heat. Top with thinly sliced green onions (cut into 1cm diagonal pieces) and serve immediately. The soup should be fragrant, with a balanced umami flavor from the miso and a silky texture from the tofu.

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Frequently asked questions

How long does Japanese Tofu and Miso Soup with Mushrooms and Wakame Seaweed take to make?

Total time is about 25 minutes (10 min prep + 15 min cook). Most home cooks find this fits comfortably into a weeknight; double the batch on Sunday for two dinners.

How do I store leftover Japanese Tofu and Miso Soup with Mushrooms and Wakame Seaweed?

Cool to room temperature within 2 hours, then store in an airtight container in the fridge for up to 4 days. Reheat covered in a 350°F oven for 10-12 minutes, or microwave at 70% power in 60-second bursts to keep tofu from drying out.

Can I substitute ingredients in Japanese Tofu and Miso Soup with Mushrooms and Wakame Seaweed?

Yes — most ingredients in this recipe have flexible swaps. For oil, use any neutral high-smoke-point oil (avocado, grapeseed, refined coconut). For aromatics, dried herbs at ⅓ the volume of fresh work in a pinch. The full ingredient list is shoppable on Instacart so you can see substitutes in real time.

How do I scale Japanese Tofu and Miso Soup with Mushrooms and Wakame Seaweed for a different number of people?

The recipe is written for 2 servings. Multiply each ingredient by (your serving target / 2). Cook time stays roughly the same up to 2x; for 3-4x batches, switch from a skillet to a sheet pan or stockpot so the food isn't crowded — overcrowding steams instead of browns.

What goes well with Japanese Tofu and Miso Soup with Mushrooms and Wakame Seaweed?

Japanese vegan like this pair well with a simple grain (rice, couscous, or crusty bread), a quick salad with acid (lemon vinaigrette, pickled onions), and a pan sauce or yogurt-based dip. Tap "Plan a meal with the AI" to get specific side suggestions.

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