Kombu-Infused Miso Soup with Silken Tofu

By AislePrompt Test Kitchen · Reviewed by AislePrompt Editorial · ·

A serene bowl of traditional Japanese miso soup featuring delicate kombu-infused broth and silken tofu, embodying true umami harmony. This japanese-inspired soups ready in about 25 minutes pairs kombu, water, white miso paste 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.

★ 3.9 (14 ratings) Prep: 15 min Cook: 10 min Serves 2 Japanese cuisine 120 cal/serving
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Ingredients

Instructions

  1. Step 1: Place 10g kombu in 100ml water in a small pot and heat over medium-low until bubbles form around the edges (about 5 minutes) — remove kombu before it boils to prevent bitterness.
  2. Step 2: Crumble 2 tbsp white miso paste into a small bowl, then stir in 2 tbsp warm broth from the pot until smooth; return to pot and simmer gently for 2 minutes (do not boil).
  3. Step 3: Gently cut 120g silken tofu into 1-inch cubes, add to soup, and simmer for 1 minute until heated through; stir in 1 tsp dried wakame until rehydrated and soft.
  4. Step 4: Finely chop 2 tbsp green onions, sprinkle over bowls, and serve immediately while broth is hot.

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Frequently asked questions

How long does Kombu-Infused Miso Soup with Silken Tofu take to make?

Total time is about 25 minutes (15 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 Kombu-Infused Miso Soup with Silken 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 kombu from drying out.

Can I substitute ingredients in Kombu-Infused Miso Soup with Silken 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 Kombu-Infused Miso Soup with Silken 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 Kombu-Infused Miso Soup with Silken 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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