Motion-Activated Miso Soup

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

A comforting bowl of miso soup with tofu, seaweed, and a hint of ginger, perfect for a quick, warm meal. This japanese-inspired soups ready in about 25 minutes pairs dashi broth, block, cubed tofu, sheet, torn kombu seaweed for a weeknight-friendly dinner that comes together with one pan and minimal cleanup. Each serving lands at about 200 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: 15 min Serves 4 Japanese cuisine 200 cal/serving
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Ingredients

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Instructions

  1. Step 1: In a large pot, combine 4 cups dashi broth and 1 torn kombu sheet. Bring to a simmer over medium heat.
  2. Step 2: Add 1 tbsp grated ginger and 2 tbsp miso paste, stirring until fully dissolved. Adjust seasoning with 1 tbsp soy sauce.
  3. Step 3: Add 1 block tofu, cut into 1-inch cubes, and 4 strips of nori. Simmer for 5 minutes until the tofu is warmed through.
  4. Step 4: Serve the soup in bowls, garnished with cooked soba noodles and additional nori strips.

Frequently asked questions

How long does Motion-Activated Miso Soup take to make?

Total time is about 25 minutes (10 min prep + 15 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 Motion-Activated Miso Soup?

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 broth from drying out.

Can I substitute ingredients in Motion-Activated Miso Soup?

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 Motion-Activated Miso Soup 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 Motion-Activated Miso Soup?

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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