Thai Coconut Soup
This authentic Thai Coconut Soup, known as Tom Kha Gai, combines tender chicken with aromatic herbs and creamy coconut milk, creating a delicious and comforting dish that's easy to prepare at home.

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Illustrated cooking guide
Step-by-step visual method
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Written method
Instructions
Read through once, then cook at your own pace with the illustrated guide above.
- 1
In a large pot, combine the chicken broth and coconut milk over medium heat, stirring well.
- 2
Add the smashed lemongrass and galangal slices to the pot, allowing the flavors to infuse.
- 3
Once the broth starts simmering, add the thinly sliced chicken breast to the pot, cooking until it's fully cooked through.
- 4
Stir in the sliced mushrooms and smashed bird's eye chilies for added flavor and heat.
- 5
Incorporate fish sauce and sugar into the soup, mixing thoroughly. Adjust sweetness to your preference.
- 6
Before serving, consider adding lime juice for extra tanginess, although it's optional.
- 7
Remove the soup from heat and discard the lemongrass and galangal slices. Serve warm, garnished with fresh cilantro if desired.
Cook notes
Tips
If you prefer a vegetarian version, substitute chicken with tofu and use vegetable broth.
For a milder soup, reduce the amount of bird's eye chilies used.
Make sure to taste and adjust the fish sauce and sugar according to your preference.
Cook smarter
Helpful notes
Practical storage, serving, swap, and troubleshooting notes for a better first try.
Storage Tips
- Refrigerate the soup in an airtight container for up to 3 days.
- Do not freeze as coconut milk may separate upon thawing.
- Reheat gently on the stove, adding a little water if necessary to restore consistency.
Substitutions
- Chicken breast can be substituted with shrimp or tofu for different protein options.
- Fish sauce can be replaced with soy sauce for a vegetarian version.
- Coconut milk can be swapped with dairy cream for a richer flavor, though it changes the dish's authenticity.
What to Serve With
- Steamed jasmine rice
- Fresh spring rolls
- Simple green salad
Common Mistakes
- Not simmering long enough for flavors to develop.
- Adding too much lime juice too early can overpower the other flavors.
- Forgetting to remove the lemongrass and galangal before serving.
Recipe FAQ
Can I use canned coconut milk for this recipe?
Yes, canned coconut milk works perfectly and provides great richness to the soup.
How can I store leftovers?
Store any leftover soup in an airtight container in the refrigerator for up to 3 days.
Is it necessary to use galangal in this recipe?
While galangal adds authenticity, you can substitute it with fresh ginger if necessary.
Kitchen tools
Helpful Tools for This Recipe
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Blender
Helpful for smooth sauces, soups, marinades, and purees.
Saucepan
Useful for simmering sauces, soups, grains, and small-batch stews.
Chef knife
A basic prep tool for vegetables, herbs, aromatics, and proteins.
Cutting board
Keeps prep organized for chopping, slicing, and staging ingredients.
Measuring spoons
Useful for balancing spices, salt, acids, and sauces.
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