5-Minute Microwave Miso Soup with Tofu

By AislePrompt Test Kitchen · Reviewed by AislePrompt Editorial · ·

A nourishing, vegan soup made with miso paste, silken tofu, and fresh vegetables, ready in under 5 minutes with no stove required. This japanese-inspired quick meals (vegan) ready in about 10 minutes pairs water, white miso paste, diced firm 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.

★ 3.9 (14 ratings) Prep: 5 min Cook: 5 min Serves 2 Japanese cuisine 120 cal/serving
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Ingredients

Instructions

  1. Step 1: In a microwave-safe bowl, combine 2 cups water and 2 tbsp white miso paste, stirring until fully dissolved (do not boil).
  2. Step 2: Add 4 oz diced firm tofu, 1/2 cup sliced mushrooms, and 1/4 cup sliced green onions to the bowl.
  3. Step 3: Microwave on high for 2 minutes, then stir in 1 tbsp rice vinegar and 1 tsp sesame oil.
  4. Step 4: Let sit for 1 minute to allow flavors to meld, then serve immediately while hot.

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Frequently asked questions

How long does 5-Minute Microwave Miso Soup with Tofu take to make?

Total time is about 10 minutes (5 min prep + 5 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 5-Minute Microwave 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 water from drying out.

Can I substitute ingredients in 5-Minute Microwave 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 5-Minute Microwave 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.

Is 5-Minute Microwave Miso Soup with Tofu vegan?

Yes — this recipe is tagged vegan based on its ingredient list. Always cross-check labels for packaged ingredients (sauces, broths, condiments) since formulations vary by brand.

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