Tom Kha Kai Soup Recipe – Authentic Thai Coconut Chicken Soup You Can Make at Home

Tom Kha Kai: A Taste of Thailand in Every Spoonful

Fragrant, creamy, and bursting with vibrant flavor — Tom Kha Kai is one of Thailand’s most beloved soups. ‘Tom Kha Gai’ is the alternate spelling for this authentic Thai chicken soup. With its velvety coconut milk base, tangy lime juice, and the unmistakable aroma of lemongrass, galangal, and kaffir lime leaves, it delivers a perfect balance of comfort and exotic flair in every bite.

The name tells its story:

• Tom – to boil or simmer
• Kha – galangal, a fragrant Thai root similar to ginger but with a citrusy edge
• Kai – chicken
  

This classic creamy Thai coconut soup with chicken is thought to have originated in Central Thailand in the late 19th century, when coconut milk became more common in home kitchens. Closely related to the famous Tom Yum, Tom Kha Kai is its creamier, gentler cousin — still fragrant and bright, but with a mellow richness that makes it irresistible.

Flavors That Tell a Cultural Story

Every bowl of Tom Kha Kai is built on the four essential pillars of Thai cuisine:

1. Creamy richness – from full-fat coconut milk
2. Bright tanginess – from fresh lime juice
3. Savory depth – from fish sauce
4. Gentle heat – from fresh Thai bird’s eye chilies

Then come the aromatics: lemongrass, kaffir lime leaves, and galangal — ingredients so central to Thai cooking that they’re practically its signature scent. These flavors have been passed down through generations, connecting each bowl of Tom Kha Kai to Thailand’s rich culinary heritage.

Surprisingly Simple to Make at Home

Despite its depth of flavor, this authentic Thai coconut soup with chicken is quick and easy to make, even if it’s your first time trying a traditional Thai soup recipe at home. The key is layering flavors step-by-step instead of adding everything at once.

Pro Tips for the Perfect Tom Kha Kai:

• Use fresh galangal if possible – Ginger can work in a pinch, but the flavor won’t be the same.
  
• Don’t overcook the chicken – Poach it gently for tender, juicy pieces.
  
• Add coconut milk toward the end – This prevents curdling and keeps the soup silky.
  
• Taste and adjust before serving – Thai cooking is all about balance; tweak the spice, salt, and tang to your liking.
  
• Make extra broth – You can freeze it without coconut milk and add it later for a quick future meal.
  

Authentic Tom Kha Kai Recipe

Servings: 4
Prep Time: 10 minutes
Cook Time: 20 minutes
Total Time: 30 minutes

Ingredients:

• 3 cups chicken broth
• 1 cup full-fat coconut milk
• 2 stalks lemongrass, trimmed and smashed
• 4 slices fresh galangal (or ginger if unavailable)
• 4 kaffir lime leaves, torn in half
• 300g boneless chicken breast or thighs, thinly sliced
• 1 cup mushrooms (straw mushrooms or button mushrooms), sliced
• 3–4 Thai bird’s eye chilies, smashed (adjust to taste)
• 2 tbsp fish sauce (or soy sauce for vegetarian version)
• 1 tbsp lime juice (plus more to taste)
• 1 tsp sugar (optional, to balance flavors)
• Fresh cilantro leaves, for garnish
  

Instructions:

1. Infuse the broth
   

   • In a medium pot, bring chicken broth to a gentle boil.
   • Add lemongrass, galangal, and kaffir lime leaves. Simmer for 5 minutes to release their aromas.
     

2. Cook the chicken and mushrooms
   

   • Add sliced chicken and mushrooms to the pot. Simmer gently until chicken is just cooked through, about 5 minutes.
     

3. Add coconut milk and seasonings
   

   • Stir in coconut milk, chilies, fish sauce, and sugar if using. Warm gently without boiling.
     

4. Finish with lime and herbs

   • Remove from heat. Add lime juice, then taste and adjust seasoning as needed.
   • Garnish with fresh cilantro and serve hot.
     

Bring Thailand to Your Kitchen

Tom Kha Kai is more than just a soup — it’s a bowl of culture, history, and pure comfort. It’s proof that authentic Thai flavors can be achieved at home in under 30 minutes, no passport required.

Now it’s your turn to give it a try to make this traditional Thai soup recipe. Head to your local Asian market, gather those fragrant herbs, and let your kitchen fill with the irresistible aroma of lemongrass and coconut. When you take that first spoonful, you won’t just taste a recipe — you’ll taste a story that’s been shared for generations.

If you make this Tom Kha Kai, snap a photo and leave a comment here below. I’d love to see your delicious creations of your Thai chicken soup with lemongrass and galangal, and hear how you made it your own! Or, just share your best Thai comfort food dishes.

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