Modular Miso Soup with Tofu and Seaweed

By AislePrompt Test Kitchen · Reviewed by AislePrompt Editorial · ·

A customizable Japanese soup that allows you to adjust the umami levels with precise measurements of miso paste. This japanese-inspired soups (vegan) ready in about 20 minutes pairs dashi stock, white miso paste, block (7 oz), cubed tofu for a weeknight-friendly dinner that comes together with one pan and minimal cleanup. Each serving lands at about 150 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.

★ 3.8 (13 ratings) Prep: 10 min Cook: 10 min Serves 2 Japanese cuisine 150 cal/serving
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Ingredients

Instructions

  1. Step 1: In a medium pot, bring 4 cups dashi stock to a gentle simmer over medium heat (do not boil).
  2. Step 2: In a small bowl, whisk 3 tbsp white miso paste with 2 tbsp hot dashi stock until smooth; stir the mixture back into the pot, avoiding boiling to preserve flavor.
  3. Step 3: Add 1/2 block cubed tofu and 1/4 cup dried wakame seaweed to the pot and simmer for 5 minutes until seaweed is rehydrated and tofu is heated through.
  4. Step 4: Stir in 2 thinly sliced green onions and 1/4 cup chopped cilantro just before serving to retain freshness.

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Frequently asked questions

How long does Modular Miso Soup with Tofu and Seaweed take to make?

Total time is about 20 minutes (10 min prep + 10 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 Modular Miso Soup with Tofu and 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 dashi stock from drying out.

Can I substitute ingredients in Modular Miso Soup with Tofu and 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 Modular Miso Soup with Tofu and 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.

Is Modular Miso Soup with Tofu and Seaweed vegan?

Yes — this recipe is tagged vegan based on its ingredient list. Always cross-check labels for packaged ingredients (sauces, broths, condiments) since formulations vary by brand.

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