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Thai Sweet Potato Soup with Lemongrass + Ginger
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4.85 from 13 votes

Thai Pumpkin Soup Recipe

Thai Pumpkin Soup is bursting with delicious Thai flavors and made with healthy ingredients, including sweet potatoes, creamy coconut milk, pumpkin, carrots, ginger, garlic, and lemongrass. Quick and easy to make and so perfect for the cooler winter months.
Prep Time20 minutes
Cook Time40 minutes
Total Time1 hour
Course: Soup
Cuisine: Asian
Keyword: Thai Pumpkin and Sweet Potato Soup, thai pumpkin soup, thai sweet potato soup
Servings: 6 servings

Ingredients

  • 1 tablespoon coconut oil
  • 2 shallots chopped
  • 1 large yellow onion chopped
  • 8 cloves garlic chopped
  • ½ cup ginger peeled and chopped
  • cup lemongrass chopped fine
  • 2 jalapeno chopped (omit for less spicy soup)
  • 1 teaspoon yellow curry powder
  • ½ teaspoon turmeric
  • 2 teaspoon cayenne powder start with less if you prefer more mild food as cayenne can be spicy
  • 1 teaspoon salt
  • 8 cups vegetable stock plus more if needed
  • 2 pounds sweet potatoes
  • 5 large carrots peeled and chopped
  • 15 oz pureed pumpkin one 15 oz can
  • 2 tablespoon soy sauce
  • 1 tablespoon fish sauce optional
  • 1 tablespoon brown sugar
  • 3 tablespoon fresh lime juice plus more for serving
  • ¾ cup coconut milk or coconut cream

Garnish

  • chopped pistachios
  • fresh lime juice
  • coconut milk
  • chopped green onion
  • cilantro

Instructions

  • In a large soup pot or Dutch oven, heat coconut oil over medium high heat. Once hot, add the chopped shallot and onion and cook for approximately 2 minutes, or until just turning soft, stirring frequently. Add the ginger, garlic, lemongrass, and jalapeno and stir. Lower heat to medium and cook for approximately 5 minutes, or until fragrant and just starting to turn golden; continue to stir frequently to prevent burning. Add the yellow curry powder, turmeric, cayenne powder and salt and stir well. Still stirring, cook for an additional minute or two and add the vegetable stock.
  • Turn heat to high and bring pot to a boil. Carefully add the sweet potatoes, carrots and pureéd pumpkin. Reduce heat to low and simmer, uncovered, for approximately 20 minutes, or until potatoes are fork tender.
  • Pureé soup until very smooth, being careful not to overfill your blender with hot, boiling, steaming soup (I usually only fill mine half way full). I usually do mine in several small batches. Return to the stove over medium heat.
  • Gently stir in the soy sauce, fish sauce (optional, but HIGHLY recommended), brown sugar and fresh lime juice. Taste and adjust seasonings, as necessary. There is no magic formula here, so play around until you find what balance suits you.
  • Finally, stir in the coconut milk. Some may argue to do this before you add the soy sauce, fish sauce and sugar, however, I always add it last. I added 1/2 cup coconut milk to this pot of soup, but feel free to add more for a creamier, richer soup if that's what you desire (my husband prefers more coconut milk, so he will usually drizzle a tablespoon or two over the top of his bowl at serving).
  • Garnish with chopped pistachios, chopped fresh cilantro or green onion, lime juice or coconut milk.

Nutrition

Calories: 315kcal | Carbohydrates: 56g | Protein: 6g | Fat: 9g | Saturated Fat: 7g | Cholesterol: 0mg | Sodium: 2342mg | Potassium: 1066mg | Fiber: 9g | Sugar: 17g | Vitamin A: 41970IU | Vitamin C: 21.9mg | Calcium: 103mg | Iron: 3.9mg
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