Zeytinyağlı (olive oil) preparations — vegetables cooked slowly in abundant olive oil with a small amount of water, then served cold — are one of the most distinctive categories in Turkish cooking. The technique produces a result fundamentally different from the same vegetables cooked in butter or neutral oil: the olive oil's specific fatty acid composition and aromatic compounds are absorbed into the vegetable during the long, gentle cooking, producing a flavour that is simultaneously the vegetable and the oil — neither separately.
- **The olive oil quantity:** More than seems necessary — 80–120ml per serving of vegetables. The oil is not wasted: it becomes a sauce. - **The water:** A small amount — just enough to prevent burning during initial cooking. As the vegetables release their own moisture, it combines with the oil. - **The onion base:** Finely sliced or diced onion sweated gently in the olive oil before the main vegetable is added — it dissolves almost completely into the oil during cooking, providing sweetness. - **Sugar:** A pinch added to zeytinyağlı preparations — enhances the sweetness of the vegetables. [VERIFY] Dağdeviren's sugar specification. - **Lemon juice:** Added near the end or at service — the acidity brightens the olive oil's flavour and the vegetable's sweetness. - **Cooling in the liquid:** The preparation must cool to room temperature in the cooking liquid before serving — the flavours continue to develop and the oil is reabsorbed. Sensory tests: **Texture of finished zeytinyağlı:** The vegetables should be completely tender but holding their shape — not mushy. A fork should meet a moment of resistance before the vegetable yields. **The oil:** At room temperature, the olive oil around the vegetables should be fragrant and slightly cloudy — infused with the vegetable's water-soluble compounds that have leached into the fat during cooking.
The Turkish Cookbook