| Prep (chop veggies, toast rice) | 20 min | Low (knife work) |
| Parboil ribs (remove scum) | 10 min | Low |
| Simmer broth (first round) | 60 min | Low (mostly passive) |
| Add aromatics & season | 15 min | Medium (constant tasting) |
| Final simmer & herb addition | 20 min | Low |
| Toast rice powder & garnish | 10 min | Low |
| Total | 2 hr 15 min | – |
Ingredients
For the Broth & Ribs
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2 lbs (900 g) pork back ribs or spare ribs, cut into 2-inch pieces
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8 cups (2 liters) water
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4 cloves garlic, smashed
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2 shallots, halved
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1 thumb-sized piece galangal (or ginger, in a pinch), sliced
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3 kaffir lime leaves, torn
For the Leng Saeb Seasoning (The “Saeb” Magic)
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3 tbsp nam prik pao (Thai roasted chili paste) – available at Asian grocery stores
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2 tbsp fish sauce (add more to taste)
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1½ tbsp palm sugar (or brown sugar)
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4 tbsp fresh lime juice (from 2–3 limes)
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1–2 tsp chili powder or crushed red pepper flakes (adjust to heat preference)
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1 tsp MSG (optional but authentic – use “Ajinomoto” or similar)
The Herb & Aromatic Finish
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¼ cup cilantro, roughly chopped (stems + leaves)
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3 green onions (scallions), cut into 1-inch segments
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1 small handful fresh mint leaves (optional, but highly recommended)
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3 Thai bird’s eye chilies, thinly sliced (extra for the brave)
The Secret Weapon – Toasted Rice Powder (Khao Khua)
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2 tbsp raw sticky rice (or jasmine rice)
For Serving
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Extra lime wedges
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Fresh Thai basil (optional)
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Steamed jasmine rice or rice noodles (optional, for a heartier meal)
Instructions
Step 1: Parboil the Ribs (10 min, low intensity)
Place pork ribs in a large pot. Cover with cold water (not the 8 cups yet). Bring to a boil. Boil for 3 minutes, then drain and rinse the ribs under cold water. This removes impurities and keeps your broth clear. Clean the pot.
Step 2: First Simmer (60 min, low intensity)
Return ribs to the clean pot. Add 8 cups fresh water, garlic, shallots, and galangal. Bring to a boil, then reduce heat to low. Cover partially and simmer for 60 minutes. Skim off any foam that rises in the first 15 minutes.
Step 3: Build the Leng Saeb Base (15 min, medium intensity)
After 60 minutes, remove the shallots and garlic (they’ve given their job). Add:
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Torn kaffir lime leaves
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2 tbsp nam prik pao
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1 tbsp fish sauce
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Palm sugar
Let simmer for 10 minutes. Taste. It should be savory and slightly smoky.
Step 4: Toast the Rice Powder (10 min, low intensity – do this while soup simmers)
Place raw rice in a small dry pan over medium-low heat. Stir constantly for 5–7 minutes until deep golden brown and nutty-smelling. Do not walk away – it burns fast. Grind in a mortar and pestle or spice grinder into a coarse powder. Set aside.
Step 5: Finish the Soup (20 min, low intensity)
Add the remaining 1 tbsp nam prik pao and 1 tbsp fish sauce. Simmer uncovered for 10 minutes to slightly reduce. The ribs should be tender but not falling off the bone yet.
Turn off heat. Now add the lime juice – never boil lime juice or it turns bitter. Stir in chili powder, MSG (if using), and half of the cilantro and green onions.
Step 6: The “Last of the Recipe” – Final Layering (5 min)
This is the crucial step that separates good Leng Saeb from great. Right before serving:
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Ladle the hot broth into individual bowls (or one large sharing bowl).
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Sprinkle 1 teaspoon of toasted rice powder over each bowl just before eating – it should stay crunchy, not dissolve.
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Top with remaining cilantro, green onions, mint, and fresh sliced bird’s eye chilies.
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Squeeze an extra lime wedge over the top.
Why this is last: The rice powder loses its texture after 5 minutes in liquid. The fresh herbs and chilies must hit hot broth to release their oils. Serve immediately.
Serving Suggestions
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Eat as a spicy broth meal with a side of jasmine rice to dip in the broth.
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For street-food style: add a handful of thin rice noodles (sen lek) to the bowl before pouring soup.
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Pair with a cold Thai iced tea or a crisp lager – the dairy in the tea (or the bubbles) helps tame the heat.
Storage & Reheating Tips
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Fridge: Store broth and ribs separately from fresh herbs & rice powder. Keeps 4 days.
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Freezer: Freeze broth + ribs (no herbs, no lime) for up to 3 months.
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Reheat: Gently simmer on stove. Then add fresh lime juice, herbs, chilies, and rice powder after reheating. Never microwave with lime already in it.
Nutrition Information (per serving, ~1.5 cups broth + 3 ribs)
Calculated without rice or noodles. Based on 6 servings.
| Nutrient | Amount |
|---|---|
| Calories | 385 kcal |
| Protein | 28 g |
| Fat | 24 g (mostly from pork, healthy fats) |
| Saturated Fat | 9 g |
| Carbohydrates | 12 g |
| Fiber | 1.5 g |
| Sugar | 6 g |
| Sodium | 1180 mg (high due to fish sauce – drink water!) |
| Vitamin C | 18% DV |
| Iron | 12% DV |
| Potassium | 480 mg |