Equipment
Ingredients
Aromatics
- 200 g cherry tomatoes, whole
- 40 g shallots, peeled and halved
- 15 g garlic, peeled whole cloves
- 5 g thai bird's eye chilies, stems removed
Seasonings
- 30 ml fish sauce
- 15 ml lime juice, freshly squeezed
- 10 g palm sugar, finely chopped
Herbs
- 5 g cilantro, finely chopped
- 5 g scallions, thinly sliced
Nutrition (per serving)
Nutrition is estimated per serving. Nutrients without complete source data are omitted.
Full nutrition
- Calories
- 34 kcal
- Protein
- 1 g
- Carbohydrates
- 7 g
- Fat
- 0 g
- Fiber
- 1 g
- Sugar
- 4 g
- Sodium
- 307 mg
- Polyunsaturated Fat
- 0 g
- Potassium
- 197 mg
- Calcium
- 13 mg
- Iron
- 0.9 mg
- Magnesium
- 10 mg
- Phosphorus
- 11 mg
- Zinc
- 0.1 mg
- Vitamin A
- 5 mcg
- Vitamin C
- 4 mg
- Vitamin E
- 0.1 mg
- Vitamin K
- 5 mcg
- Vitamin B6
- 0.1 mg
- Thiamin
- 0.01 mg
- Riboflavin
- 0.01 mg
- Niacin
- 0.1 mg
- Folate
- 5 mcg
- Water
- 14 g
Sources: Aggregated Public Data, USDA FoodData Central
Method
Heat a dry cast iron skillet to a high surface temperature, approximately 260°C/500°F. Add the whole cherry tomatoes, halved shallots, garlic cloves, and chilies. Dry roast them, tossing occasionally, until they are soft and charred with blackened spots on all sides.
Transfer the charred garlic, shallots, and chilies to a mortar and pestle. Pound vigorously into a rough, rustic paste.
Add the charred cherry tomatoes to the mortar. Crush them gently with the pestle to break the skins and release their juices, while keeping some fleshy chunks intact for texture.
Add the chopped palm sugar, fish sauce, and fresh lime juice to the mortar. Stir gently with the pestle, lightly mashing the sugar against the sides until fully dissolved into the liquid.
Fold in the chopped cilantro and scallions using the pestle. Taste and adjust seasoning if needed, then transfer to a serving bowl to accompany your meal.
Chef's Notes
- Pounding aromatics in a mortar and pestle crushes the cell walls to release essential oils, providing a depth of flavor that a food processor simply cannot replicate.
- Charring the ingredients provides the essential smoky backbone of this sauce. Do not rush the dry roasting step; allow the skins to fully blister.
- Adjust the number of chilies to your personal tolerance. Leaving the seeds intact will maximize the fiery heat characteristic of authentic regional cooking.
- If preparing raw chicken or pork to grill alongside this sauce, ensure you use separate cutting boards to prevent cross-contamination and cook proteins to a safe internal temperature of 74°C/165°F.
Storage
Refrigerator: 1 week — Flavors will deepen overnight as the aromatics meld.
Troubleshooting
Sauce is too watery
Cause: Tomatoes were highly aqueous or pounded too aggressively
Fix: Stir in a small pinch of toasted rice powder to absorb excess moisture
Prevention: Select meaty cherry tomatoes and use a gentle hand when crushing them
Sauce is overly sour or salty
Cause: Imbalanced fish sauce or lime juice ratios
Fix: Add more finely chopped palm sugar to balance the acidity and sodium
Prevention: Measure liquid seasonings carefully before adding
Cultural Context
Known natively as Jeow Mak Len in Lao and Isan regional cuisine, this vibrant dipping sauce is a staple of Northeastern Thai eating. It is traditionally consumed by hand alongside sticky rice and grilled meats. The technique of charring aromatics over open coals was born from necessity in rural areas but remains essential today for the profound smoky complexity it lends to the dish.
