Miso-Infused Sweet Potato and Kale Soup

By · Reviewed by AislePrompt Editorial · ·

A deeply savory, plant-powered soup with roasted sweet potatoes, kale, and a touch of miso for umami depth. This japanese-inspired soups (vegan, gluten-free) ready in about 45 minutes pairs stems removed and chopped kale, medium, diced 1/2-inch carrots, medium, diced onion for a weeknight-friendly dinner that comes together with one pan and minimal cleanup. Each serving lands at about 280 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: 15 min Cook: 30 min Serves 4 Japanese cuisine 280 cal/serving
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Ingredients

Instructions

  1. Step 1: Toss diced sweet potatoes and carrots with 1 tsp sesame oil on a sheet pan. Roast at 400°F (200°C) for 20 minutes until tender and slightly caramelized.
  2. Step 2: Heat 1 tsp olive oil in a large pot over medium heat. Add diced onion and cook for 5 minutes until soft.
  3. Step 3: Stir in minced garlic and cook for 1 minute until fragrant.
  4. Step 4: Add roasted sweet potatoes, carrots, vegetable broth, and 1 cup of water. Simmer for 15 minutes.
  5. Step 5: Stir in chopped kale and cook for 3 more minutes until wilted.
  6. Step 6: Remove from heat and stir in miso paste until fully dissolved. Season with salt if needed.
  7. Step 7: Serve hot, garnished with toasted pumpkin seeds.

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Frequently asked questions

How long does Miso-Infused Sweet Potato and Kale Soup take to make?

Total time is about 45 minutes (15 min prep + 30 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 Miso-Infused Sweet Potato and Kale 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 medium, diced onion from drying out.

Can I substitute ingredients in Miso-Infused Sweet Potato and Kale 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 Miso-Infused Sweet Potato and Kale 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.

Is Miso-Infused Sweet Potato and Kale Soup vegan?

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

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