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Tom Kha Gai (Thai Coconut Chicken Soup)

A fragrant Thai soup balancing creamy coconut milk, tangy lime, and aromatic galangal with tender chicken and mushrooms.

40 minutes
Serves 4
Dinner
14 min prep
22 min cook

Good to know

  • One-pot

Matched from this dish's own ingredients and timing. Browse more: one-pot dinners

Instructions

5 steps
  1. 1

    Combine the coconut milk and chicken broth in a pot, then add the galangal, lemongrass, and lime leaves and bring to a gentle simmer over medium heat for 5 minutes to infuse.

  2. 2

    Add the sliced chicken and mushrooms and simmer for 8 to 10 minutes until the chicken is cooked through.

  3. 3

    Stir in the fish sauce, palm sugar, and smashed chilies and simmer for 2 more minutes.

  4. 4

    Remove from the heat and stir in the fresh lime juice, tasting and adjusting the balance of salty, sour, and sweet.

  5. 5

    Ladle into bowls and garnish with cilantro leaves, leaving the lemongrass and galangal pieces in the bowl for aroma but not eating.

Tom Kha Gai (Thai Coconut Chicken Soup) — plated and served Images are for illustrative purposes only, may be inaccurate, and do not guarantee the presence or absence of specific ingredients.
Serving moment. How Tom Kha Gai (Thai Coconut Chicken Soup) looks plated and ready to eat — a representative photo, not a step in the recipe.

Listahan Family Score™

58/100

Works for many families

58
Allergen-friendly 80
Kid-friendly 27
Weeknight-easy 54
Budget-friendly 82
Great leftovers 65
Pantry-friendly 26

Score reflects how well this recipe fits a typical busy household. In the app, your Family Score is personalized to your household's allergens, kids, and pantry.

Nutrition

per serving

315

Calories

35 g

Protein

18 g

Carbs

13 g

Fat

Estimated per serving. Actual values depend on the brands and portions you use.

Listahan cooking guide

Chef notes & practical guide

Technique notes, ingredient swaps, serve-alongside ideas, storage guidance, and equipment for this recipe.

Cultural context

Tom kha gai leans on galangal rather than ginger, a rhizome that looks similar but tastes noticeably more citrusy and piney, simmered alongside bruised lemongrass in coconut milk, with lime juice held back until the very end.

Listahan note

This version bruises the lemongrass to release its oils and adds lime juice only after the pot is off the heat, since simmering lime juice cooks away the sharp brightness this soup depends on.

Technique cues

  • Galangal looks similar to ginger but tastes distinctly more citrusy and piney, and it's simmered in slices or bruised pieces for flavor, then usually left in the bowl rather than eaten whole.
  • Lemongrass stalks are bruised or smashed before going into the pot, which cracks the fibers open and releases far more of their aromatic oil than whole, unbruised stalks would.
  • The soup is simmered gently rather than boiled hard once the coconut milk goes in, a hard boil can cause coconut milk to separate and turn the broth greasy-looking instead of smooth.
  • Lime juice and any fish sauce are stirred in off the heat, right at the end, since simmering lime juice cooks off the sharp brightness that defines this soup's sour side.

Kitchen flow

Parallel prep
Prep any side dishes while Tom Kha Gai (Thai Coconut Chicken Soup) finishes with the boneless skinless chicken thighs — the hands-off cook time is the window to use. The simmer step is what sets the pace here.
Make-ahead
Tom Kha Gai (Thai Coconut Chicken Soup) reheats well, so cooking it a day ahead and finishing it just before serving is a reasonable way to spread out the work. This one leans on the boneless skinless chicken thighs. Plan around the simmer; that's the slow part.
Leftover move
Leftover Tom Kha Gai (Thai Coconut Chicken Soup) reheats well covered on the stove or in the oven with a splash of liquid; avoid the microwave, which tends to toughen the chicken broth on a fast reheat. This one leans on the boneless skinless chicken thighs. Plan around the simmer; that's the slow part.
Cleanup rhythm
Deglaze the pan used for Tom Kha Gai (Thai Coconut Chicken Soup) with a splash of water or broth right after cooking — it lifts the browned bits before they dry on and saves scrubbing later. This one leans on the boneless skinless chicken thighs. Everything else is quick — the simmer is the one step that takes real time.

Ingredient brief

Role, handling, and swap guidance for each key ingredient.

2 cans full-fat coconut milk

Richness and texture

Purpose: cans full-fat coconut milk rounds the texture and helps the dish feel complete.

Handling: Prep before heat is high so the cooking step can move without rushing.

Adaptation: Use unsweetened dairy-free alternatives only where they still provide enough fat and body.

2 cups chicken broth

Main protein or body

Purpose: cups chicken broth gives Tom Kha Gai (Thai Coconut Chicken Soup) its main substance and carries the seasoning.

Handling: Pat dry, cut evenly, and season before cooking so browning or sauce coverage is consistent.

Adaptation: Use the closest fresh equivalent and expect a modest shift in flavor or texture.

1 pound boneless skinless chicken thighs, thinly sliced

Main protein or body

Purpose: pound boneless skinless chicken thighs, thinly sliced gives Tom Kha Gai (Thai Coconut Chicken Soup) its main substance and carries the seasoning.

Handling: Pat dry, cut evenly, and season before cooking so browning or sauce coverage is consistent.

Adaptation: Use the closest fresh equivalent and expect a modest shift in flavor or texture.

4 slices fresh galangal

Flavor support

Purpose: slices fresh galangal supports the balance of Tom Kha Gai (Thai Coconut Chicken Soup) and should taste integrated.

Handling: Prep before heat is high so the cooking step can move without rushing.

Adaptation: Use the closest fresh equivalent and expect a modest shift in flavor or texture.

2 stalks lemongrass, bruised and cut into 2-inch pieces

Acid and brightness

Purpose: stalks lemongrass, bruised and cut into 2-inch pieces balances richness and keeps the finished dish lively.

Handling: Prep before heat is high so the cooking step can move without rushing.

Adaptation: Use the closest fresh equivalent and expect a modest shift in flavor or texture.

Technique notes

  • Warn diners that the galangal, lemongrass, and any whole chilies are aromatics meant to be pushed aside rather than eaten directly.
  • Taste and adjust the balance of sour, salty, and slightly sweet just before serving, since that balance is the whole point of the dish.
  • Add sliced mushrooms or chili in the final few minutes only, so they keep their texture rather than turning soft from a long simmer.

Ingredient swaps

Dairy-free direction
Swap the full-fat coconut milk for a neutral dairy-free butter or oil and a full-fat plant milk (oat or coconut work best for body) — the texture shifts slightly but the dish holds together. This one leans on the boneless skinless chicken thighs.
Seafood-aware direction
Replace the fish sauce with a vegetarian fish-sauce alternative or extra soy sauce and a pinch of dried seaweed for umami to keep the savory depth without any fish or shellfish. This one leans on the boneless skinless chicken thighs.
Nut-aware direction
Skip the nut garnish or use toasted seeds (sunflower or pumpkin) instead. This one leans on the boneless skinless chicken thighs.
Lower-sodium direction
Use a low-sodium or no-salt-added version of the fish sauce, then season to taste with fresh herbs, citrus, or vinegar at the end instead of more salt. This one leans on the boneless skinless chicken thighs.

Serve alongside

  • Steamed rice
  • Cucumber salad
  • Roasted vegetables
  • Pickled vegetables
  • Iced tea
  • Sparkling water with citrus

Serving suggestions only — check pairings for your household's allergens.

Storage & reheating

  • Refrigerate in a sealed container for up to 4 days.
  • Reheat gently with a splash of water, broth, milk, or sauce as appropriate.
  • Freeze up to 2 months when the texture is braised, baked, or stew-like.

Equipment

  • Dutch oven or soup pot
  • Wooden spoon
  • Ladle

Make this household-aware

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