Slow Cooker Tom Kha

Featured in Cozy soups to warm your heart.

This slow-cooked Thai chicken coconut soup blends lemongrass, lime leaves, and galangal with creamy milk for an effortless, traditional taste.
Maria from tastyhush
Updated on Sun, 11 May 2025 11:04:17 GMT
A hot soup bowl with chicken, mushrooms, cilantro, and red chili. Pin it
A hot soup bowl with chicken, mushrooms, cilantro, and red chili. | tastyhush.com

I've got to tell you about my all-time favorite Slow Cooker Tom Kha Soup. Through countless tries over the years, I've finally nailed this warm Thai coconut chicken soup that's packed with genuine flavors. What's great is how the slow cooker makes it super simple, but you'll end up with something that tastes like it came from your favorite Thai spot. The smell of coconut mixed with lemongrass that fills up my kitchen when I cook this is simply wonderful.

Why You'll Fall For This Hearty Soup

This soup has turned into my favorite comfort dish. You can set your slow cooker and forget it while you tackle your day. What I really like is how you can tweak it no matter what eating plan you follow or what you're in the mood for. The smooth coconut base with those zesty lime touches is just heavenly.

Ingredients List

  • Lime Leaves: Creates a citrusy, flowery smell that makes it taste authentic.
  • Lemongrass: Gives that zingy, minty citrus kick the dish needs.
  • Coconut Milk or Cream: Forms the smooth and thick foundation that smooths out the spices.
  • Galangal or Ginger: Adds bright and tangy undertones that balance everything perfectly.
  • Red Thai Curry Paste: Offers a mix of sweet, hot, and rich notes to the soup.

Cooking Steps

Finish with Lime
Mix in lime juice right before you serve to boost that tangy balance.
Add Coconut Milk
Pour in coconut milk for the last 30 minutes so it stays creamy without breaking apart.
Add Chicken and Broth
Put chicken and broth into the cooker so flavors can mix well. Let it cook on low for 4-5 hours.
Prepare the Ingredients
Cut up lemongrass, galangal, and lime leaves. Mix them with curry paste in your slow cooker.

Pro Cooking Tricks

Using fresh stuff really changes this soup. Try to get your hands on real lime leaves and galangal if you can. When I use shrimp, I always throw them in at the very end so they stay soft. For that smooth texture, stir the coconut milk carefully so it doesn't break up.

Easy Swaps

I really like how flexible this dish is. My friends who don't eat meat love it with tofu, and pals doing Whole30 just leave out the sugar and pick a suitable fish sauce. Sometimes I switch chicken for shrimp and it's just as tasty.

Tasty Presentation Ideas

I always go for deep bowls to keep the soup hot longer. Some chopped cilantro, sliced green onions and lime pieces on the side make it look amazing. For more kick, I sprinkle some chili flakes on top, and putting it over jasmine rice turns it into a full dinner.

Storage Advice

This soup stays good in your fridge for about 5 days. Just warm it up slowly - don't let it boil or the coconut milk might split. I always add a fresh squeeze of lime when warming leftovers to wake up all the flavors again.

Tasty Variations

I sometimes add in mushrooms or bok choy for more crunch. A bit of fish sauce or tamarind really gives it more flavor depth. You can totally customize it by changing how spicy it is with Thai chili paste.

Great For Company

This soup always wows my guests. It's so handy to make in the slow cooker and everybody goes crazy for those genuine Thai flavors. I've taken it to dinner parties and potlucks and it's never failed to get compliments.

A bowl of creamy soup featuring shredded chicken, colorful vegetables, and garnished with fresh herbs and red chili peppers. Pin it
A bowl of creamy soup featuring shredded chicken, colorful vegetables, and garnished with fresh herbs and red chili peppers. | tastyhush.com

Frequently Asked Questions

→ Can I make this vegetarian?
You can! Swap chicken for tofu, use vegetable stock, and switch fish sauce with soy or vegan fish sauce.
→ Why take out aromatics early?
Taking aromatics out stops them from overpowering the broth and keeps the soup’s texture just right.
→ Can I use ginger instead of galangal?
You can swap it! The flavor isn’t the same, but ginger works great and still tastes awesome.
→ How can I make it Whole30 friendly?
Use Whole30-approved broth, replace sugar with coconut aminos, and choose a sugar-free fish sauce like Red Boat.
→ Can shrimp replace chicken?
Absolutely, toss in 1 pound of raw shrimp. Cook until pink and curled—don’t let them overcook!

Conclusion

This slow-cooked Thai chicken coconut soup blends lemongrass, lime leaves, and galangal with creamy milk for an effortless, traditional taste.

Slow Cooker Tom Kha

An easy-to-make slow cooker Thai soup with tender chicken, coconut milk, and fresh herbs for authentic flavor.

Prep Time
10 Minutes
Cook Time
480 Minutes
Total Time
490 Minutes
By: Maria

Category: Soups & Stews

Difficulty: Intermediate

Cuisine: Thai

Yield: 6 Servings (6 bowls)

Dietary: Low-Carb, Gluten-Free, Dairy-Free

Ingredients

01 Green onions, finely chopped for topping.
02 2-3 tablespoons of fresh lime juice.
03 Chopped cilantro for garnish.
04 1 stick of lemongrass.
05 10 optional lime leaves.
06 3 thin slices of ginger or galangal.
07 1/2 a red jalapeño or Thai chili, sliced.
08 2-3 tablespoons of fish sauce.
09 1/2 an onion, thinly sliced.
10 1 tablespoon of red curry paste.
11 2 small chicken breasts.
12 4 cups of chicken broth.
13 8 ounces of mushrooms, cut up.
14 2 13.5-ounce cans of coconut milk.
15 2-3 tablespoons of brown sugar.
16 2 cloves of garlic, minced.

Instructions

Step 01

In a slow cooker, mix together the curry paste, broth, and aromatic ingredients. Cook on high for 2-3 hours or low for 4-6 hours.

Step 02

Use a slotted spoon to take out the aromatics, leaving the flavorful broth behind.

Step 03

Stir in the coconut milk, chicken pieces, and mushrooms. Cook for another hour on high or two hours on low, making sure the chicken cooks through.

Step 04

Mix in the lime juice, fish sauce, and sugar. Adjust based on your taste preferences.

Step 05

Top with the chopped cilantro and green onions just before serving.

Notes

  1. To make it vegetarian, substitute tofu for chicken.
  2. Shrimp is a great alternative to chicken if you prefer seafood.
  3. Adjust for Whole30 compliance easily.

Tools You'll Need

  • A handy slow cooker.
  • Slotted spoon to remove aromatics.

Allergy Information

Please check ingredients for potential allergens and consult a health professional if in doubt.
  • Contains fish.

Nutrition Facts (Per Serving)

It is important to consider this information as approximate and not to use it as definitive health advice.
  • Calories: 391
  • Total Fat: 30 g
  • Total Carbohydrate: 14 g
  • Protein: 22 g