Thai Chicken & Coconut Soup

This is a streamlined take on tom kha gai, the Thai coconut chicken soup that balances creamy, sour, and spicy in every spoonful. Chicken simmers directly in a broth of coconut milk, chicken stock, and sliced lemongrass, then gets shredded and returned to the reduced, concentrated soup.

The lemongrass infuses the broth during the simmer but gets strained out before serving. You don’t eat the lemongrass itself. It’s fibrous and tough, but its citrusy, floral oils dissolve into the coconut milk and give the soup its signature fragrance.

Reducing the strained broth by about half is the step that concentrates all the flavor. Without this reduction, the soup tastes thin and watery. After 20 minutes of simmering, you’ll have a rich, silky broth that coats the back of a spoon.

Kitchen Tips

• Slice the lemongrass from the tender lower third of the stalk. The woody upper part has less flavor and more fiber.
• Use full-fat coconut milk, not light. The fat carries the lemongrass flavor and gives the soup its characteristic richness.
• Add the lime juice after straining and taste as you go. You want a bright, sour note that balances the coconut, not an overwhelming citrus hit.
• Fresh jalapeno works here as a substitute for Thai bird chiles. Mince it fine so the heat distributes evenly.

Variations

• Add sliced mushrooms to the broth for a more traditional tom kha gai.
• Stir in a teaspoon of fish sauce for deeper umami flavor.
• Use shrimp instead of chicken for a seafood version, reducing the simmer time to 3-4 minutes.