Tom Yum Gai Thai Soup

Featured in: Easy Whisk-Friendly Dinners

This aromatic Thai soup balances bold flavors—tangy lime, fiery chiles, and aromatic herbs like lemongrass and galangal. Tender chicken breast simmers alongside mushrooms and tomatoes in a rich broth, enhanced with nam prik pao for depth. Ready in just 35 minutes, this dairy-free and gluten-free dish delivers restaurant-quality results at home.

Updated on Tue, 27 Jan 2026 21:36:15 GMT
Steaming bowl of Tom Yum Gai, featuring tender chicken and vibrant mushrooms in a rich red broth. Save
Steaming bowl of Tom Yum Gai, featuring tender chicken and vibrant mushrooms in a rich red broth. | birchwhisk.com

Tom Yum Gai is a quintessential Thai soup known for its vibrant, aromatic profile and its perfect balance of spicy, sour, and savory flavors. This dish features tender chicken breast or thighs and earthy mushrooms simmered in a bold broth infused with traditional Southeast Asian aromatics like lemongrass, galangal, and kaffir lime leaves. It is a restorative and soul-warming meal that brings the authentic taste of Thailand to your table in just over half an hour.

Steaming bowl of Tom Yum Gai, featuring tender chicken and vibrant mushrooms in a rich red broth. Pin it
Steaming bowl of Tom Yum Gai, featuring tender chicken and vibrant mushrooms in a rich red broth. | birchwhisk.com

The secret to an exceptional Tom Yum Gai lies in the layering of seasonings. By combining the smokiness of nam prik pao with the saltiness of fish sauce and the sharp acidity of fresh lime, you create a broth that is complex and deeply satisfying. This soup is naturally dairy-free and gluten-free, making it a versatile choice for various dietary needs.

Ingredients

  • Chicken: 350 g (12 oz) boneless, skinless chicken breast or thighs, thinly sliced
  • Broth Base: 1.2 L (5 cups) chicken stock, 2 stalks lemongrass (smashed), 5 kaffir lime leaves (torn), 3 slices galangal, 2 Thai birds eye chiles (smashed)
  • Vegetables: 150 g (5 oz) oyster or button mushrooms (sliced), 2 medium tomatoes (cut into wedges), 1 small onion (sliced)
  • Seasonings: 2 tbsp nam prik pao (Thai roasted chili paste), 2 tbsp fish sauce, 1 tbsp sugar, 1/2 tsp salt, 2 tbsp freshly squeezed lime juice
  • Garnish: 2 tbsp fresh cilantro (chopped), extra sliced chiles, and lime wedges for serving
Product image
Easily spray or drizzle oil for roasting vegetables, air frying, sautéing, and dressing salads with controlled coverage.
Check price on Amazon

Instructions

Step 1: Infuse the Broth
In a large saucepan, bring the chicken stock to a gentle boil. Add the prepared lemongrass, kaffir lime leaves, galangal, and smashed chiles. Simmer for 5 minutes to allow the flavors to infuse.
Step 2: Cook the Chicken
Add the sliced chicken to the pot and simmer for 3–4 minutes until just cooked through. Be sure to skim off any foam that rises to the surface for a clearer broth.
Step 3: Add Vegetables
Stir in the mushrooms, tomatoes, and onion. Simmer for another 3–4 minutes until the vegetables are tender but still retain their shape.
Step 4: Season the Soup
Add the nam prik pao, fish sauce, sugar, and salt. Stir well to incorporate the chili paste and simmer for 2 more minutes. Taste the broth and adjust the seasoning if necessary.
Step 5: Finish with Lime
Remove the saucepan from the heat. Stir in the fresh lime juice. It is important to add the lime at the end to maintain its bright acidity.
Step 6: Serve
Ladle the soup into bowls, ensuring everyone gets a mix of chicken and vegetables. Garnish with fresh cilantro and extra chiles. Serve immediately with lime wedges on the side.

Zusatztipps für die Zubereitung

To get the most flavor out of your aromatics, ensure you smash the lemongrass stalks and the chiles thoroughly before adding them to the stock. This releases the essential oils that give the soup its signature punch. If you prefer a milder soup, remove the seeds from the chiles or reduce the quantity used.

Varianten und Anpassungen

For a creamy variation known as Tom Yum Nam Khon, add 1 tablespoon of evaporated milk to the broth during the final simmer. If you're a fan of seafood, you can easily substitute the chicken with shrimp to create the world-famous Tom Yum Goong.

Serviervorschläge

Ladle the soup into deep ceramic bowls and serve it as a standalone light meal or as a starter for a Thai feast. It pairs beautifully with a side of steamed jasmine rice, which can help temper the heat of the chiles and soak up every drop of the delicious broth.

Fresh cilantro and lime wedges garnish a spicy-sour Tom Yum Gai soup with colorful vegetables. Pin it
Fresh cilantro and lime wedges garnish a spicy-sour Tom Yum Gai soup with colorful vegetables. | birchwhisk.com

Mastering Tom Yum Gai is a rewarding experience that allows you to explore the foundations of Thai flavor profiles. Whether you enjoy it for its spicy kick or its comforting warmth, this recipe is sure to become a favorite in your culinary repertoire.

Product image
Dries dishes, utensils, and cookware neatly after cooking, keeping your countertop organized and clutter free.
Check price on Amazon

Frequently Asked Questions

What makes Tom Yum Gai authentic?

Traditional Tom Yum Gai relies on the holy trinity of Thai aromatics: lemongrass, kaffir lime leaves, and galangal. Nam prik pao (roasted chili paste) adds essential depth, while fresh lime juice and fish sauce create the signature spicy-sour balance.

How spicy is this soup?

Two Thai bird's eye chiles provide medium heat, but you can easily adjust spiciness. Start with one chile for milder flavor, or add more for extra fire. Removing chile seeds also reduces heat while maintaining flavor.

Can I substitute the chicken?

Yes! Replace chicken with shrimp for Tom Yum Goong, or use tofu for a vegetarian version. Cooking times may vary slightly—shrimp cooks in 2-3 minutes, while tofu should be added in the last 5 minutes.

What is nam prik pao?

Nam prik pao is Thai roasted chili paste, a crucial ingredient adding smoky sweetness and depth. Find it in Asian markets or make it at home with dried chiles, garlic, shallots, and shrimp paste.

How do I store leftovers?

Refrigerate in an airtight container for up to 3 days. The flavors actually improve overnight. Reheat gently on the stovetop, adding fresh lime juice before serving to brighten the taste. Avoid boiling to prevent toughening the chicken.

Is galangal essential?

Galangal provides distinct piney, citrus notes that differ from ginger. Fresh ginger works as a substitute in a pinch, but for authentic flavor, seek out galangal at Asian markets. Dried galangal slices are an acceptable alternative.

Tom Yum Gai Thai Soup

Vibrant Thai-style soup with chicken, mushrooms, and aromatic herbs in a spicy-sour broth infused with lemongrass and lime.

Prep Time
15 Minutes
Cook Time
20 Minutes
Total Time
35 Minutes


Difficulty: Medium

Cuisine: Thai

Yield: 4 servings

Dietary: Dairy-Free, Gluten-Free

Ingredients

Chicken

01 12 oz boneless, skinless chicken breast or thighs, thinly sliced

Broth

01 5 cups chicken stock
02 2 stalks lemongrass, tough outer leaves removed, cut into 2-inch pieces and smashed
03 5 kaffir lime leaves, torn
04 3 slices galangal or fresh ginger
05 2 Thai birds eye chiles, smashed

Vegetables

01 5 oz oyster or button mushrooms, sliced
02 2 medium tomatoes, cut into wedges
03 1 small onion, sliced

Seasonings

01 2 tablespoons nam prik pao Thai roasted chili paste
02 2 tablespoons fish sauce
03 1 tablespoon sugar
04 1/2 teaspoon salt
05 2 tablespoons freshly squeezed lime juice, plus extra for serving

Garnish

01 2 tablespoons fresh cilantro, chopped
02 1 to 2 Thai chiles, sliced

Instructions

Step 01

Build the aromatic broth: In a large saucepan, bring the chicken stock to a gentle boil. Add lemongrass, kaffir lime leaves, galangal, and smashed chiles. Simmer for 5 minutes to infuse the flavors.

Step 02

Cook the chicken: Add the chicken slices and simmer for 3 to 4 minutes until just cooked through. Skim off any foam that rises to the surface.

Step 03

Add vegetables: Stir in the mushrooms, tomatoes, and onion. Simmer for another 3 to 4 minutes until the vegetables are tender but not mushy.

Step 04

Season the broth: Add nam prik pao, fish sauce, sugar, and salt. Stir well and simmer for 2 more minutes. Adjust seasoning to taste.

Step 05

Finish with lime: Remove from heat. Stir in lime juice. Taste and adjust sourness or salt as desired.

Step 06

Serve: Ladle into bowls. Garnish with fresh cilantro and extra chiles if desired. Serve immediately with lime wedges on the side.

Tools You'll Need

  • Large saucepan or pot
  • Sharp knife
  • Cutting board
  • Ladle

Allergy Information

Please check ingredients for potential allergens and consult a health professional if in doubt.
  • Contains fish from fish sauce
  • May contain shellfish traces if using commercial nam prik pao
  • Verify labels for hidden gluten or allergens in store-bought ingredients

Nutrition Facts (Per Serving)

It is important to consider this information as approximate and not to use it as definitive health advice.
  • Calories: 200
  • Total Fat: 5 g
  • Total Carbohydrate: 12 g
  • Protein: 26 g