Hidden Ingredient Miso Soup with Tofu

By AislePrompt Test Kitchen · Reviewed by AislePrompt Editorial · ·

A deeply savory miso soup featuring a secret umami boost from white miso paste and silken tofu. This japanese-inspired soups ready in about 18 minutes pairs dashi stock, white miso paste, silken tofu 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.

Prep: 10 min Cook: 8 min Serves 2 Japanese cuisine 120 cal/serving
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Ingredients

Instructions

  1. Step 1: Bring 4 cups dashi stock to a gentle simmer in a saucepan over medium-low heat, ensuring it never boils.
  2. Step 2: Remove from heat and whisk in 3 tbsp white miso paste until fully dissolved, avoiding boiling to preserve flavor.
  3. Step 3: Gently add 8 oz cubed silken tofu and 1 tbsp rehydrated wakame seaweed, stirring once to distribute.
  4. Step 4: Simmer for 3 minutes off heat, then sprinkle with 3 tbsp finely sliced green onions just before serving.

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Frequently asked questions

How long does Hidden Ingredient Miso Soup with Tofu 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 Hidden Ingredient 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 Hidden Ingredient 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 Hidden Ingredient 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 Hidden Ingredient 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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