Slow Cooker Tom Kha Soup (Thai Coconut Chicken Soup) Recipe
Imagine wrapping your hands around a steamy bowl of Slow Cooker Tom Kha Soup (Thai Coconut Chicken Soup), where creamy coconut mingles with zesty lime, fragrant lemongrass, savory chicken, and just the right hit of spice. It’s a dish that transforms even the busiest weeknight into an aromatic escape—no plane ticket required! This recipe lets your slow cooker work magic while you go about your day, infusing each ingredient with deep, irresistible Thai flavor. One spoonful and you’ll understand why it’s the perfect way to bring restaurant-quality comfort right to your kitchen.

Ingredients You’ll Need
The lineup for Slow Cooker Tom Kha Soup (Thai Coconut Chicken Soup) is delightfully straightforward, yet every item is essential for capturing that unmistakable balance of creamy, tangy, spicy, and herbaceous. Each ingredient adds its own layer of depth, color, and texture—so don’t skip a thing if you want the full experience!
- Chicken thighs or breasts: Go for juicy chicken thighs if you prefer richer flavor, or chicken breasts for a leaner, tender option—both soak up the aromatics wonderfully.
- Fresh ginger: Sliced ginger brings warmth and gentle heat, infusing the broth with classic Tom Kha zestiness.
- Lemongrass: Smashed and added whole, it imparts a lemony fragrance that is signature to Thai soups—remove before serving as it’s not meant to be eaten.
- Kaffir lime leaves (or lime zest): These add a bright citrus note; if lime leaves aren’t available, lime zest gives a decent homemade touch.
- Chicken broth: The soup’s savory backbone, supporting all those zippy, rich flavors.
- Coconut milk: Use a full-fat can for that luscious, creamy texture and slightly sweet base.
- Mushrooms (shiitake or white button): They soak up flavor and add a pleasant earthiness—shiitake bring more depth, while button mushrooms keep it mild.
- Onion: Chopped onion melts into the broth, rounding out the flavor and adding natural sweetness.
- Garlic: Minced garlic enhances the aromatics—don’t hold back!
- Fish sauce: Essential for that umami punch; look for a high-quality brand if you can.
- Brown sugar: Just enough to balance the salty and sour, it melds everything together beautifully.
- Thai red curry paste: Adjust the amount to your preferred spice level—it offers color, depth, and a kick.
- Lime juice: Squeeze it fresh for bright, tangy notes that define Tom Kha.
- Thai chilis (optional): For those who love extra heat, sliced Thai chilis do the trick—they’re tiny but mighty!
- Fresh cilantro and green onions: These fresh herbs bring color and a refreshing lift when garnishing your finished soup.
How to Make Slow Cooker Tom Kha Soup (Thai Coconut Chicken Soup)
Step 1: Build Your Flavor Base
Start by adding the chicken (either thighs or breasts), ginger, smashed lemongrass stalks, kaffir lime leaves (or lime zest if that’s what you have), chicken broth, chopped onion, minced garlic, and sliced mushrooms directly into your slow cooker. This medley will act as the foundation—let all these vibrant ingredients mingle and work together, infusing every bite with the unmistakable flavors of Thailand. You’ll immediately notice the kitchen start to smell absolutely heavenly!
Step 2: Slow Cook to Perfection
Put the lid on your slow cooker and choose your cooking time: let everything simmer either on low for 6–7 hours (the flavors get even deeper this way) or take the shorter route and set it on high for 3–4 hours. You’ll know it’s ready when the chicken is wonderfully tender and easily shreds apart. Don’t rush—this gentle, low-and-slow process ensures every taste shines through.
Step 3: Add Creamy Coconut and Seasonings
Once your chicken is cooked and the broth is infused, it’s time for the signature flavors: pour in the coconut milk for that creamy texture, stir in the fish sauce for umami, sprinkle the brown sugar for sweet balance, and swirl in the red curry paste to give it color and just the right amount of heat. Squeeze in the fresh lime juice—don’t be shy; this makes it beautifully bright and tangy. If you love heat, add the sliced Thai chilis too. Stir well so everything comes together, then let the soup cook on high for another 15–20 minutes to let the flavors meld.
Step 4: Taste and Adjust
Before you lift the lid for the last time, taste your masterpiece! Now’s the moment to tweak: need more zing? Add a squeeze of lime. Too tangy? A bit more brown sugar will round it out. Want a more pronounced savory character? Another dash of fish sauce is your friend. Don’t forget to pull out the lemongrass and kaffir lime leaves so you’re not fishing them out later—think of it as the chef’s snack!
Step 5: Garnish and Serve
Just before serving, ladle your Slow Cooker Tom Kha Soup (Thai Coconut Chicken Soup) into bowls and scatter plenty of fresh, chopped cilantro and vibrant green onions on top. The result: a soup worthy of any Thai restaurant, right from your home kitchen. Enjoy it steaming hot and soak in all the cozy, comforting vibes.
How to Serve Slow Cooker Tom Kha Soup (Thai Coconut Chicken Soup)

Garnishes
Finish each bowl of Slow Cooker Tom Kha Soup (Thai Coconut Chicken Soup) with a generous sprinkle of chopped cilantro and thinly sliced green onions. If you’re a fan of more brightness, add extra lime wedges on the side, or float some thin slices of red chili on top for a pop of color and spicy kick. These fresh touches don’t just look gorgeous—they elevate every spoonful with vibrant flavor and crunch.
Side Dishes
Pair this fragrant soup with a side of fluffy jasmine rice to soak up every last drop, or serve alongside crispy Thai spring rolls or a cool green papaya salad for a contrast in textures. A little bowl of sticky rice also makes a lovely companion, turning this soup into a proper meal that’ll make you feel like you’ve ordered from your favorite local Thai spot.
Creative Ways to Present
Get playful with your plating for Slow Cooker Tom Kha Soup (Thai Coconut Chicken Soup)! Try serving it in small coconut shells for a memorable dinner party appetizer, or arrange a self-serve “garnish bar” with toppings like extra herbs, peanuts, or Thai chili oil so friends and family can personalize their bowls. For an elegant touch, swirl a little coconut cream on top just before serving.
Make Ahead and Storage
Storing Leftovers
If you end up with leftovers, Slow Cooker Tom Kha Soup (Thai Coconut Chicken Soup) stores like a dream. Let it cool completely, then transfer to airtight containers and keep it in the refrigerator for up to 4 days. The soup actually deepens in flavor overnight, making for a delicious grab-and-go lunch or an effortless dinner the following day.
Freezing
You can absolutely freeze this soup for future cravings! Just let the soup cool and pour it into freezer-friendly containers, leaving a little room for expansion. It’ll keep well for up to three months. For best texture, try to freeze the soup before adding the final coconut milk, then reheat and stir in the coconut milk fresh right before serving.
Reheating
To reheat, simply warm the soup gently on the stovetop over medium-low heat, stirring regularly to keep the coconut milk from separating. You can also microwave individual portions in short bursts, stirring in between. Add a splash of fresh lime juice or a few drops of fish sauce if you find the flavors need a little boost.
FAQs
Can I make Slow Cooker Tom Kha Soup (Thai Coconut Chicken Soup) vegetarian?
Absolutely! Swap out the chicken for cubes of firm tofu and use vegetable broth in place of chicken broth. You might also enjoy adding extra mushrooms, baby corn, or bamboo shoots for added oomph and texture.
Where can I find lemongrass and kaffir lime leaves?
Both lemongrass and kaffir lime leaves are available at most Asian markets, usually in the produce section or freezer aisle. If your regular grocery store has an international section, you may spot them there as well. If not, bottled lime zest and dried lemongrass make fair substitutes.
Is there a way to make the soup spicier or milder?
Definitely! The beauty of Tom Kha is in its flexibility—simply increase or decrease the amount of red curry paste and Thai chilis to match your heat preference. Start small if you’re wary, and taste as you go!
What’s the best chicken cut for Slow Cooker Tom Kha Soup (Thai Coconut Chicken Soup)?
Both boneless, skinless chicken thighs and breasts work beautifully. Thighs will stay more moist and flavorful after hours of slow cooking, while breasts have a milder flavor and a slightly firmer texture. Try both and see which you love most!
Can I make this soup in advance?
Yes, in fact, making Slow Cooker Tom Kha Soup (Thai Coconut Chicken Soup) ahead of time is a fantastic idea. The flavors meld and mature wonderfully overnight in the fridge, and the soup reheats beautifully, making it ideal for meal prepping or serving guests.
Final Thoughts
If you’re ready for the comfort of creamy, aromatic Thai flavor with hardly any effort, you’ll fall in love with Slow Cooker Tom Kha Soup (Thai Coconut Chicken Soup). Let this simmer away for you, then sit back and bask in the rave reviews—friends and family will ask for it again and again. Give it a spot in your dinner rotation and let every bowlful transport you to a little slice of Thailand!
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Slow Cooker Tom Kha Soup (Thai Coconut Chicken Soup) Recipe
- Total Time: 6 hours 15 minutes
- Yield: 6 servings 1x
- Diet: Non-Vegetarian
Description
Indulge in the aromatic flavors of Thailand with this easy Slow Cooker Tom Kha Soup recipe. Packed with tender chicken, coconut milk, and a blend of herbs and spices, this comforting soup is a perfect way to warm up on chilly days.
Ingredients
For the Soup:
- 1.5 pounds boneless, skinless chicken thighs or breasts, cut into bite-sized pieces
- 1 tablespoon fresh ginger, thinly sliced
- 3 stalks lemongrass, trimmed and smashed
- 3 kaffir lime leaves (or zest of 1 lime as substitute)
- 4 cups chicken broth
- 1 (13.5 oz) can full-fat coconut milk
- 1 cup mushrooms, sliced (shiitake or white button)
- 1 small onion, chopped
- 2 cloves garlic, minced
- 2 tablespoons fish sauce
- 1 tablespoon brown sugar
- 1–2 tablespoons Thai red curry paste (adjust to spice preference)
- Juice of 2 limes
- 1–2 Thai chilis, sliced (optional)
- Fresh cilantro and green onions for garnish
Instructions
- Add the chicken, ginger, lemongrass, kaffir lime leaves, chicken broth, onion, garlic, and mushrooms to a slow cooker. Cover and cook on low for 6–7 hours or on high for 3–4 hours, until the chicken is tender.
- Remove the lemongrass and lime leaves. Stir in the coconut milk, fish sauce, brown sugar, red curry paste, and lime juice.
- Add Thai chilis if using. Cook for another 15–20 minutes on high, until heated through and flavors are well combined.
- Taste and adjust seasoning with more lime juice, fish sauce, or sugar if needed. Serve hot, garnished with chopped cilantro and green onions.
Notes
- For a vegetarian version, substitute tofu for chicken and use vegetable broth.
- You can also add baby corn or bamboo shoots for extra texture.
- Kaffir lime leaves and lemongrass can usually be found in Asian markets or the international aisle of grocery stores.
- Prep Time: 15 minutes
- Cook Time: 6 hours
- Category: Soup
- Method: Slow Cooker
- Cuisine: Thai
Nutrition
- Serving Size: 1 bowl
- Calories: 290
- Sugar: 5 g
- Sodium: 780 mg
- Fat: 18 g
- Saturated Fat: 14 g
- Unsaturated Fat: 3 g
- Trans Fat: 0 g
- Carbohydrates: 10 g
- Fiber: 2 g
- Protein: 22 g
- Cholesterol: 65 mg