Spicy Pork Rib Soup, commonly known in Thailand as Tom Saap Kradook Moo, is a beloved Thai soup famous for its tender pork ribs, aromatic herbs, and intensely flavorful broth. This rustic dish originates from Thailand’s northeastern region and is cherished for its fiery, sour, and savory taste that awakens the senses with every spoonful.

The combination of slow-cooked pork ribs, lemongrass, galangal, kaffir lime leaves, lime juice, fish sauce, and fresh chilies creates a hearty soup that is both comforting and invigorating. Often enjoyed with steamed rice, Spicy Pork Rib Soup is a staple in Thai homes and local restaurants.

Why You'll Love This Spicy Pork Rib Soup

  • Rich and deeply flavorful broth
  • Tender, fall-off-the-bone pork ribs
  • Authentic Thai spicy and sour taste
  • Perfect for family meals
  • High in protein and satisfying
  • Great for cooler weather or hearty dinners

Ingredients

For the Soup

  • 700g pork ribs, cut into serving pieces
  • 1.5 liters water or pork stock
  • 3 stalks lemongrass, cut into sections and lightly crushed
  • 6 slices galangal
  • 5 kaffir lime leaves, torn
  • 5–8 Thai bird's eye chilies, crushed
  • 200g straw mushrooms or button mushrooms
  • 3 tablespoons fish sauce
  • 2 tablespoons lime juice
  • 1 teaspoon palm sugar
  • 2 tablespoons chopped cilantro
  • 2 tablespoons chopped green onions

Optional Ingredients

  • Cherry tomatoes
  • Culantro (sawtooth coriander)
  • Roasted chili flakes
  • Thai basil leaves
  • Fresh lime wedges

Instructions

Step 1: Simmer the Pork Ribs

Place the pork ribs and water in a large pot. Bring to a boil and skim off any foam that rises to the surface. Reduce the heat and simmer for 45–60 minutes until the ribs become tender.

Step 2: Add Thai Herbs

Add the lemongrass, galangal, and kaffir lime leaves. Simmer for another 10 minutes to infuse the broth with their fragrant aromas.

Step 3: Add Mushrooms

Stir in the mushrooms and cook for 5 minutes until softened.

Step 4: Season the Soup

Add fish sauce, palm sugar, and crushed chilies. Stir well and taste the broth, adjusting the seasoning to achieve a balance of salty, spicy, and sour flavors.

Step 5: Finish with Lime Juice

Turn off the heat and stir in the fresh lime juice. This helps maintain the bright, refreshing acidity that characterizes Thai soups.

Step 6: Garnish and Serve

Ladle the soup into bowls and garnish with cilantro, green onions, and extra chili flakes if desired.

Tips for Authentic Thai Flavor

  • Simmer the ribs slowly for maximum tenderness.
  • Use fresh herbs rather than dried versions for the best aroma.
  • Add lime juice after cooking to preserve its fresh flavor.
  • Crush the chilies slightly to release their heat into the broth.
  • Taste frequently and adjust the balance of sour, salty, and spicy flavors.

What to Serve with Spicy Pork Rib Soup

This hearty soup pairs perfectly with:

  • Steamed jasmine rice
  • Sticky rice
  • Thai grilled chicken
  • Stir-fried vegetables
  • Fresh cucumber slices

Variations

Extra Spicy Pork Rib Soup

Add additional bird's eye chilies and roasted chili flakes for a stronger kick.

Pork Rib and Mushroom Soup

Increase the quantity and variety of mushrooms for a richer texture.

Pork Rib Noodle Soup

Add rice noodles to transform the dish into a complete one-bowl meal.

Herbal Pork Rib Soup

Include extra culantro and Thai basil for a more aromatic version.

Storage and Reheating

Store leftover soup in an airtight container in the refrigerator for up to 3 days. Reheat gently on the stovetop over medium heat until thoroughly warmed. The flavors often deepen and improve overnight.

Final Thoughts

Thai Spicy Pork Rib Soup is a perfect example of the bold and vibrant flavors that make Thai cuisine so memorable. Tender pork ribs, fragrant herbs, fiery chilies, and fresh lime juice come together in a comforting soup that is both hearty and refreshing. Whether served as a family meal or part of a larger Thai feast, this traditional dish is sure to satisfy anyone who loves authentic Thai food.