Miso-Caramelized Sweet Potato and Kale Soup

By AislePrompt Editorial · Published 2026-04-20 · Updated 2026-04-20

A hearty, umami-rich soup featuring roasted sweet potatoes and kale simmered in a miso-infused broth with a touch of natural sweetness. This Japanese-inspired soup recipe (vegan, gluten-free), ready in about 40 minutes, pairs sweet potatoes, kale, onion for a weeknight-friendly dinner that comes together with one pan and minimal cleanup. Each serving lands at about 210 calories and feeds 4, so it slots cleanly into a weekly meal plan and pairs well with rice, quinoa, or a quick salad. 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.

Ingredients

• 2 medium, peeled and cubed 3/4-inch sweet potatoes
• 4 oz, stems removed and chopped kale
• 1 medium, diced onion
• 2 cloves, minced garlic
• 4 cups vegetable broth
• 2 tbsp white miso paste
• 1 tbsp maple syrup
• 1 tbsp olive oil
• 1 tsp fresh, chopped thyme

The stock pot we’d simmer this in → Best Stock Pots for 2026: Top Picks + Buying Guide

Instructions

1. Step 1: Preheat oven to 400°F (200°C). Toss 2 peeled and cubed sweet potatoes with 1 tbsp olive oil and 1/2 tsp salt on a baking sheet, then roast for 20 minutes until tender and slightly browned.
2. Step 2: Heat 1 tbsp olive oil in a large pot over medium heat. Add 1 diced onion and cook for 5 minutes until translucent, then add 2 minced garlic cloves and cook for 1 minute until fragrant.
3. Step 3: Add roasted sweet potatoes, 4 cups vegetable broth, and 1 tsp fresh thyme to the pot. Bring to a gentle simmer and cook for 10 minutes to meld flavors.
4. Step 4: Remove pot from heat and stir in 2 tbsp white miso paste and 1 tbsp maple syrup until fully dissolved. Return to low heat for 2 minutes, then add 4 oz chopped kale and cook until wilted and tender, about 3 minutes.