Authentically Prepared Miso Soup with Tofu

By AislePrompt Test Kitchen · Reviewed by AislePrompt Editorial · ·

A minimalist Japanese soup where delicate dashi stock melds with silky tofu and fresh greens, capturing the soul of a traditional breakfast or side dish. This japanese-inspired soups ready in about 20 minutes pairs dashi stock, block silken tofu, wakame seaweed for a weeknight-friendly dinner that comes together with one pan and minimal cleanup. Each serving lands at about 120 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.

★ 3.6 (10 ratings) Prep: 10 min Cook: 10 min Serves 2 Japanese cuisine 120 cal/serving
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Ingredients

Instructions

  1. Step 1: Place 4 cups dashi stock in a small saucepan and bring to just below a simmer over medium-low heat—do not boil, as it will make the stock bitter. Add 1 tbsp rehydrated wakame seaweed and simmer gently for 2 minutes until seaweed is tender.
  2. Step 2: While stock simmers, cut 1 block silken tofu into 1/2-inch cubes and set aside. Finely slice 2 green onions, separating white and green parts.
  3. Step 3: Remove dashi from heat and let cool for 1 minute to prevent scrambling. Whisk 3 tbsp miso paste with 2 tbsp warm dashi until smooth, then gradually stir into the remaining dashi, stirring constantly until fully dissolved—do not let it boil.
  4. Step 4: Gently fold in tofu cubes and 1/2 tsp soy sauce, then add white parts of sliced green onions. Simmer for 1 minute until tofu is heated through but not breaking apart. Stir in green onion tops just before serving to maintain their vibrant color.

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Frequently asked questions

How long does Authentically Prepared Miso Soup with Tofu 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 Authentically Prepared Miso Soup with Tofu?

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 Authentically Prepared Miso Soup with Tofu?

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 Authentically Prepared Miso Soup with Tofu 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 Authentically Prepared Miso Soup with Tofu?

Japanese soups 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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