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    Creamy Thai Curry Sweet Potato Soup

    September 12, 2019 by Denise Bustard 137 Comments

    Home / Recipes / Soups & Stews / Creamy Thai Curry Sweet Potato Soup

    Jump to Recipe Jump to Video

    Creamy Thai curry sweet potato soup is slightly sweet and spicy, and is so creamy! With red lentils, carrots, and Thai red curry paste.

    I'm a total sucker for a thick and creamy soup. Butternut squash soup and roasted cauliflower soup are up there amongst my favorites, but this Thai currysoup takes the top spot!

    overhead view of three bowls of thai curry sweet potato soup

    Sweet potatoes and Thai curry may not immediately seem like the should go together, but oh my goodness. They sure do.

    It doesn't matter what season it is, I crave this soup!

    Red curry paste, fish sauce and lime juice bring the spicy/salty/sour flavors that are characteristic of Thailand, while sweet potatoes balance everything out with a bit of sweetness, and coconut milk brings a rich, creamy texture to the soup.

    Between the red lentils, sweet potatoes and coconut milk, you will be hard pressed to find anything creamier than this Thai curry lentil soup!

    Reasons to love this Thai curry sweet potato soup

    • it's ready in 30 minutes
    • it is dairy-free and vegan-friendly
    • it freezes great!

    Recipe video

    Are you a visual learner? It always helps me to watch a video demo when prepping a recipe for the first time. Watch the video below to see how this soup is made! You can find more of my recipe videos on my YouTube channel.

    Don't forget to pin this post to save it for later!

    ingredients needed for thai curry soup

    Which ingredients will we need?

    1. Sweet potatoes- around 4 cups, cubed. I leave the skin on!
    2. Aromatics- dice an onion, mince 2 cloves garlic, and grate some ginger (use the fine end of a box grater)
    3. Carrots- 2, peeled and sliced.
    4. Coconut milk- I actually really like the Thai Kitchen brand because it is so thick and creamy, but the Grace brand worked well in this recipe. Definitely go for full fat coconut milk if you can!
    5. Fish sauce & Thai red curry paste- again I love the Thai Kitchen brand, although I highly recommend the Mae Ploy red curry paste if you can find it!
    6. Red lentils- other types of lentils probably won't work in this recipe
    7. Broth- I used my homemade bone broth, but any chicken or vegetable stock will work!
    8. Lime juice- I prefer fresh, but work with what you've got!

    process shots showing how to make sweet potato soup recipe

    Tips for the creamiest soup

    This soup is all about that creamy texture. Here are a few tips to get the best texture:

    • cook until sweet potatoes and carrots are fork tender- if they still are still firm, your soup will not be smooth
    • use full fat coconut milk- a good quality, full fat coconut milk gives this soup rich body and texture.
    • puree for longer than you might think- with my immersion blender I do a full minute, sometimes longer. There are always sneaky veggies hiding in the corner

    Best Thai red curry paste?

    I have tried so many! We love Thai kitchen brand, but have also enjoyed Mae Ploy and Cock brand. We are not a fan of Blue Dragon red curry paste.

    Cook ahead and eat later

    Soup works amazingly well for meal prep and this sweet potato soup is no exception. Here is how to store it:

    • store in the fridge for up to 4 days
    • store in the freezer for 3 months+

    I like freezing in 1 quart jars (leave ¼ empty and lids ajar until it freezes), or these reusable plastic freezer jars.

    Make it vegan!

    Swap the fish sauce for vegan fish sauce or a few teaspoons of soy/tamari. Also- check the label on your curry paste as some contain seafood.

    Instant Pot?

    While I haven't tried myself, I feel very confident that you could cook this recipe in the Instant Pot. Follow the directions for this Vegan Carrot Ginger Soup.

    Ingredient swap suggestions

    While I haven't tested these, I feel confident that these swaps would work in this recipe

    • Swap sweet potatoes for butternut squash or more carrots
    • Swap coconut milk for full fat cream
    • Swap carrots for extra sweet potatoes
    • Red lentils- extra sweet potatoes

    close up shot of the red lentil soup in blue bowl

    More soup for you!

    • Healthy Broccoli Cheese Soup
    • Healthier Beef Barley Soup
    • Hearty Lentil Soup
    • Crockpot Broccoli Turmeric Soup
    • Crockpot Taco Soup

    This post was originally published in 2014, but was updated with fresh photos & video in 2019. Same great recipe!

    overhead shot of three blue and white bowls filled with thai curry sweet potato soup on gray background
    Print Recipe
    4.39 from 42 votes

    Thai Curry Sweet Potato Soup

    Course: Lunch
    Cuisine: Thai
    Calories: 332kcal
    Author: Denise Bustard
    Servings: 6
    Creamy Thai curry sweet potato soup is full of nourishing ingredients including red lentils, sweet potatoes and coconut milk that will fill you up while keeping things healthy.
    Prep Time10 mins
    Cook Time20 mins

    Ingredients

    • 1 tablespoon olive oil
    • 1 medium onion (diced)
    • 2 cloves garlic (minced)
    • 1 tablespoon ginger (finely grated)
    • 1 tablespoon Thai red curry paste
    • 4 cups sweet potato (peeled and diced into ½ inch cubes; roughly 500 g)
    • 2 carrots (peeled and sliced)
    • 3 cups stock (veggie or chicken; or homemade bone broth)
    • ¾ cup dried red lentils
    • 1 ½ tablespoons fish sauce
    • ½ lime (juiced)
    • ¼ teaspoon salt

    After simmering:

    • 13.5 oz coconut milk (full fat recommended)

    Instructions

    • Heat olive oil in a large saucepan over medium heat.
    • Add the onion and cook, stirring occasionally, until translucent and cooked through (roughly 5-7 minutes).
    • Add the garlic and ginger, and cook for one minute.
    • Add the curry paste and stir until onions/garlic/ginger are coated and you can smell the curry paste, 30 seconds-1 minute.
    • Add the sweet potato, carrots, stock, lentils, fish sauce, lime juice and salt. Cover, bring to a boil, reduce heat, and simmer for 20 minutes, until lentils and sweet potato are cooked through.
    • Using an immersion blender, puree the soup until smooth and creamy. Stir in the coconut milk.

    Storage

    • This soup can be stored in the fridge for up to 4 days or frozen for 3-6 months.

    Nutrition

    Serving: 1/6 of batch | Calories: 332kcal | Carbohydrates: 40g | Protein: 9g | Fat: 16g | Saturated Fat: 13g | Sodium: 994mg | Potassium: 759mg | Fiber: 11g | Sugar: 7g | Vitamin A: 16629IU | Vitamin C: 8mg | Calcium: 71mg | Iron: 5mg
    Tried this Recipe? Pin it for Later!Mention @SweetPeaSaffron or tag #sweetpeasandsaffron

    About Denise Bustard

    Denise Bustard is the creator of Sweet Peas and Saffron, a meal prep-focussed food blog. With a PhD in biochemistry, Denise takes a scientific approach to perfecting her recipes. You can find Denise's work featured on Huffington Post, MSN, Self and more. read more

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    Meal prep took me from feeling constantly stressed out about meals to cool, collected and in control. I want to share this amazing and transformational habit with you, so you can feel in control, too!

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