Za'atar refers simultaneously to the wild thyme plant (Origanum syriacum) native to the Levant and to the spice blend made from it — dried thyme, sumac, sesame seeds, and salt. It is one of the oldest documented spice blends in the region, appearing in texts from medieval Arab culinary tradition. In Jerusalem it functions as a finishing condiment, a marinade base, and a dough flavouring — always added at or near the end of cooking to preserve its volatile aromatic compounds.
A dry spice blend used as a finishing condiment (mixed with olive oil and spread on flatbread), a dry rub for proteins before roasting, or a seasoning added in the final moments of cooking. Its function is aromatic rather than structural — it contributes herbal, sour, and nutty notes simultaneously.
Za'atar completes flatbreads, roasted chicken, labneh, and roasted vegetables through herbal brightness and sumac acid. It is a finishing flavour — present at the moment of eating, not cooked into the background. Applied to warm flatbread with good olive oil it is one of the simplest and most satisfying preparations in the entire Levantine repertoire.
- Za'atar loses its character rapidly under heat — it should be applied after cooking or in the final 2 minutes of roasting, not at the beginning - Mixed with olive oil it becomes a paste (za'atar wa zeit) — the oil should be absorbed but the mixture should remain spreadable, not pooling. Approximately 3:1 za'atar to oil [VERIFY ratio] - The sumac in the blend provides acid — za'atar does not require additional lemon in most applications - Quality varies enormously between commercial blends — the best are made with wild thyme (not cultivated) and whole sumac ground fresh
OTTOLENGHI JERUSALEM — Technique Entries OT-01 through OT-25