Cold sauces & condiments
zhug
skhug · A raw, uncooked hot sauce of Yemenite origin built on fresh chilies, aromatic herbs, and garlic, emulsified with olive oil and sharpened with citrus. Traditional versions are either red (dried and fresh red chilies) or green (fresh green chilies and abundant cilantro). It is a foundational condiment in Yemenite, Israeli, and broader Middle Eastern cuisine — used as a table sauce, a marinade component, and a finishing heat source for soups, grilled meats, and legumes.
The formula
1:1 chilies : herbs (by weight); 6–8 garlic cloves per 250 g; oil to cover
250 g red or green chilies + 250 g cilantro (stems fine) + 25–30 g garlic + 1 tsp ground cumin + ½ tsp ground coriander + ½ tsp salt + juice of ½ lemon (optional) + olive oil to cover by ~1 cm. Yields ~600 g finished sauce.
Identity
- Fresh, raw chilies as the dominant flavor — never cooked
- Balance of herbal freshness against chili heat, not one overwhelming the other
- Olive oil as both emulsifier and preservative barrier
- Garlic and ground spices providing aromatic depth beneath the heat
- No cooking — the sauce is alive, bright, and sharp
Ingredients
| Base | fresh hot chilies | Yemeni schug chilies preferred; substitutes: serrano, Thai bird's eye, or habanero. Red version uses dried + fresh red; green uses fresh green chilies. |
| Base | fresh cilantro (coriander leaves) | Stems are included; provide body and herbaceous backbone. Can substitute flat-leaf parsley for a milder, less traditional version. |
| Aromatics | garlic cloves | 6–8 cloves per 250 g of chili + herb base; roughly 10% of total weight. Peeled, raw. |
| Fat | extra-virgin olive oil | Enough to cover the finished sauce by ~1 cm; creates anaerobic seal for preservation and emulsifies into the sauce. |
| Seasoning | ground cumin | 1 tsp per 500 g base; adds earthy, warm depth characteristic of the sauce. |
| Seasoning | ground coriander | ½ tsp per 500 g base; brightens and rounds the cumin. |
| Acid | lemon juice | Juice of ½ lemon per batch; brightens and slightly extends shelf life. Optional in some traditional versions. |
| Seasoning | kosher salt | ½ tsp per 500 g base; essential for flavor development and preservation. |
Method
- 1Blend chilies, garlic, and salt with a small amount of oil in a food processor or blender until finely choppedInitial grinding breaks down cell walls, releases juices, and incorporates fat to begin emulsification. Adding oil gradually prevents immediate separation.
- 2Add cilantro (leaves and tender stems), ground cumin, and optional coriander; pulse until a coarse-to-smooth paste formsCilantro is added after the hardier aromatics to avoid over-processing its delicate chlorophyll and volatiles. Pulsing controls texture.
- 3Add lemon juice (if using) and blend until uniformly combinedAcid integrates into the emulsion, brightening flavor and lowering pH to inhibit microbial growth during storage.
- 4Transfer to a clean jar; pour a thin layer of olive oil over the surface to sealA surface oil seal excludes oxygen, preventing oxidation of the herbs and extending refrigerated shelf life significantly.
- 5Refrigerate for at least 30 minutes before first useFlavors meld and deepen during resting; the oil fully integrates into the sauce body.
Techniques that matter
Raw emulsification
Olive oil is blended into a water-based pepper-herb matrix; the lecithins in garlic and the natural pectin in cilantro act as weak emulsifiers, creating a cohesive sauce. The emulsion is unstable by design — it breaks on standing, which is corrected by stirring before use.
Anaerobic preservation
A thick oil seal over the surface creates an oxygen-free barrier, suppressing aerobic microbial growth and extending shelf life from days to weeks in refrigeration.
Crossover blending of flavor compounds
Cilantro's aldehydes and chlorophyll, garlic's sulfur compounds, and chili capsaicin are all oil-soluble to varying degrees; blending with oil extracts and distributes these compounds evenly through the sauce.
Variations & derivatives
Red zhug (skhug adom)Yemen / Israel
Made with dried red chilies (reconstituted in water) + fresh red chilies + more garlic. Deeper, smokier, more intensely colored. The canonical Yemenite version.
Green zhug (skhug yarok)Israel / Yemen
Made with green chilies (often green peppers mixed with hot green chilies) and abundant cilantro. Brighter, fresher, more herb-forward. Most common in restaurants outside Yemen.
Sahawiq al-yemenYemen
Traditional preparation includes carom seeds (Ajwain) and sometimes tomato; coarser hand-chopped texture rather than blended.
Zhug with tahiniModern Israeli
Zhug thinned with tahini and lemon for use as a spread or dip — a contemporary fusion not found in traditional Yemenite cooking.
Used in these dishes
Substitutions
- Yemeni schug chilies → Thai bird's eye or serrano — Similar heat level and fruity character; adjust quantity by heat preference. Bird's eye is closer in size and capsaicin distribution.
- Fresh cilantro → Flat-leaf parsley — Milder flavor, less distinctly 'cilantro'; acceptable in green zhug when cilantro is unavailable, though the profile shifts noticeably.
- Olive oil → Neutral vegetable oil — Preservation works equally well; flavor is flatter. Do not use strongly flavored oils that compete with the sauce's aromatics.
Troubleshooting
Sauce turns brown within days despite refrigeration
Inadequate oil seal on surface; oxidation of chlorophyll and phenolic compounds by air exposure → Stir before use; ensure a complete, 1-cm oil layer on top; transfer to smaller jar to reduce headspace.
Sauce separates into oily and watery layers
Natural emulsion breaking over time; normal for a raw, non-stabilized sauce → Stir vigorously before each use; this is expected behavior, not a failure.
Excessive heat overwhelms the herb notes
Too many hot chilies relative to herbs and garlic; or using only the hottest parts of the pepper → Remove seeds and ribs from chilies (where most capsaicin concentrates) to reduce heat; increase herb proportion.
Garlic taste too raw and sharp
Old garlic or excessive raw garlic relative to acid and oil → Use fresh, young garlic; add lemon juice to mellow raw allium sharpness; or briefly blanch garlic before blending for milder flavor.