Ingredients
Method
Prep the Cilantro and Aromatics
- Use most of the cilantro stems — they are tender and flavorful. Discard only the thick lower ends. Rinse well to remove grit and shake off excess water; full drying isn’t necessary since the sauce is blended with liquid. Roughly chop the cilantro, garlic, and jalapeño to help the blender work efficiently. Adjust jalapeño quantity based on desired heat.
Start the Blend
- Add the cilantro, garlic, jalapeño, salt, lime juice, and cold water to a blender or food processor. Blend on high for 30–45 seconds, stopping once or twice to scrape down the sides, until the mixture becomes uniformly bright green and mostly smooth.
Emulsify with Oil
- With the blender running, drizzle in the oil slowly during the final seconds. This creates a light emulsion that gives the sauce a smoother, silkier texture and better cohesion than adding oil all at once.
Adjust Consistency
- Check the texture — the sauce should be easily pourable. If it feels too thick or pasty, blend in additional cold water one tablespoon at a time until the desired flow is reached.
Taste and Balance
- Taste carefully and adjust seasoning. Add more lime juice for brightness, salt for depth, or extra jalapeño for heat. Blend briefly after each adjustment to keep the sauce fully integrated.
Serve or Store
- Transfer to a squeeze bottle for easy drizzling or serve in a small bowl. Use immediately for the freshest flavor or refrigerate briefly to let the taste settle before serving.
Notes
The cilantro debate — whether people love it or find it soapy — is genetic. Approximately 15–20% of people carry an olfactory receptor gene variant that makes certain aldehyde compounds in cilantro smell and taste like soap rather than herbs. There is no middle ground for those affected, and no amount of preparation technique will change their experience. This sauce is specifically for cilantro lovers.
Jalapeño heat varies widely by individual pepper, time of season, and ripeness. Always taste the jalapeño before adding it to calibrate: if it is particularly hot, start with less and adjust. If mild heat is desired, remove all seeds and ribs. For more heat, include some seeds or substitute a small amount of serrano chili.
The thin stems of cilantro contain nearly as much flavor as the leaves and should always be included when blending a sauce. Only the thick, hollow bottom stems should be discarded. This approach maximizes flavor and reduces waste.