Mirthful Miso Soup with Tofu and Scallions

By , Test Kitchen Director · Reviewed by AislePrompt Editorial · ·

A comforting, umami-rich soup with silky tofu and fresh scallions that brings instant joy to any meal. This japanese-inspired soups ready in about 18 minutes pairs dashi stock, white miso paste, firm tofu for a weeknight-friendly dinner that comes together with one pan and minimal cleanup. Each serving lands at about 95 calories and feeds 4, 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.

Prep: 10 min Cook: 8 min Serves 4 Japanese cuisine 95 cal/serving
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Ingredients

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Instructions

  1. Step 1: Bring 4 cups dashi stock to a gentle simmer in a medium pot over medium-low heat, avoiding boiling to preserve delicate flavors.
  2. Step 2: Whisk 3 tbsp white miso paste into 1/2 cup of the hot dashi in a small bowl until smooth, then stir back into the pot. Simmer gently for 3 minutes until flavors meld.
  3. Step 3: Slice 8 oz firm tofu into 1/2-inch cubes, add to soup with 1 tbsp dried wakame seaweed, and cook for 2 minutes until tofu is heated through. Stir in 3 sliced scallions and 1/2 tsp sesame oil, then garnish with 1 tsp toasted sesame seeds before serving.

Frequently asked questions

How long does Mirthful Miso Soup with Tofu and Scallions take to make?

Total time is about 18 minutes (10 min prep + 8 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 Mirthful Miso Soup with Tofu and Scallions?

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 Mirthful Miso Soup with Tofu and Scallions?

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 Mirthful Miso Soup with Tofu and Scallions for a different number of people?

The recipe is written for 4 servings. Multiply each ingredient by (your serving target / 4). 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 Mirthful Miso Soup with Tofu and Scallions?

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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