Cold sauces & condiments
Tzatziki
Τζατζίκι · A cold, strained yogurt sauce thickened by yogurt fermentation and the natural water-binding of salted cucumber, brightened with raw garlic and good olive oil. Its character is cooling, tangy, and savory—a foil for grilled meats and bread rather than a finished dish in itself.
The formula
5:3 yogurt : cucumber by weight; 1–2% garlic; 5–8% oil
Scale by weight ratio only. For 1 kg base: 625 g yogurt, 375 g cucumber, 8–12 g garlic, 40–50 ml oil, 1 tsp salt, herbs to finish. Yields ~1 kg finished sauce. Use full-fat (5%+ milk fat) strained yogurt for body; 2% works but is thinner.
Identity
- Full-fat strained yogurt (Greek-style, 5%+ fat) as the emulsified base
- Cucumber salted, rested, and aggressively squeezed to remove liquid without losing texture
- Raw garlic minced to a paste so it disperses evenly rather than burning or grouping
- Olive oil whisked in slowly so it incorporates rather than pools
- No heat applied after the yogurt goes in—raw garlic stays pungent, yogurt stays cultured
Ingredients
| Base | Strained yogurt (Greek-style, full-fat) | The protein matrix (whey proteins and casein) provides body and tang. Low-fat versions yield a watery, thin sauce. Strained overnight at home or store-bought Greek-style both work. |
| Liquid | Cucumber (medium, ~300 g) | English or Persian cucumber preferred for thin skin and few seeds. Standard cucumbers work if seeds are scooped. Salting draws out 60–70% of cucumber water. |
| Flavor | Garlic cloves (2–3 cloves, ~8 g) | Use raw. Mince then crush with flat of knife to a fine paste. 1–2% of yogurt weight is the classical range. More becomes harsh; less disappears. |
| Fat | Extra-virgin olive oil | 30–40 ml for 500 g yogurt (5–8%). Use a fruity, peppery oil. It adds richness and helps the sauce coat food rather than slide off. |
| Seasoning | Fine sea salt | ~1 tsp for 500 g base (0.8–1% by total weight). Salt both seasons and draws cucumber water; season conservatively and adjust at table. |
| Aromatics | Fresh dill or fresh mint (or both) | Dill is the Aegean standard; mint is common in Anatolian cacık. Use leaves only, chopped fine. 2–3 tbsp total. Herbs added at end to preserve color and fragrance. |
Method
- 1Grate the cucumber on the large holes of a box grater or pulse in a food processor until finely shredded.Maximum surface area speeds water release. Fine shred also distributes better through the yogurt without large texture surprises.
- 2Toss shredded cucumber with 1 tsp fine salt, let rest 10–15 minutes in a colander, then squeeze out all liquid with hands or press firmly in a clean towel.Salt breaks cucumber cell walls (osmosis) and draws out 60–70% of cucumber water. Skipping this dilutes the yogurt, thins the sauce, and dilutes the garlic punch.
- 3In a bowl, combine strained yogurt, pressed cucumber, and minced garlic paste. Whisk or stir until homogenous.Whisking distributes garlic evenly and begins building a cohesive sauce structure.
- 4Drizzle in olive oil slowly (in a thin stream if whisking, or drop by drop), whisking constantly until fully incorporated.Slow incorporation creates a temporary emulsion of oil droplets suspended in the protein matrix. Adding too fast causes pooling.
- 5Fold in fresh herbs (dill and/or mint), taste, and adjust salt. Refrigerate 30–60 minutes before serving to let flavors marry.Resting allows the garlic and salt to integrate; the sauce firms slightly as it chills.
Techniques that matter
Straining yogurt (whey removal)
Greek-style yogurt has 50–60% less whey than standard yogurt. The result is a thicker, more protein-dense base that holds up to cucumber liquid without becoming soup. If using unstrained yogurt, line a sieve with cheesecloth and drain 2–4 hours in the fridge.
Salt draws (osmosis in cucumber)
Osmosis moves water from cucumber cells into the salt solution. A 10-minute rest followed by firm pressing removes enough water (and the associated cucumber raw flavor) to create a sauce that doesn't weep. Do not skip this.
Garlic paste technique
Mincing then crushing garlic with the flat of a knife breaks cell walls more completely than mincing alone, releasing allicin precursors evenly. This distributes pungency throughout the sauce rather than leaving hot pockets.
Variations & derivatives
CacıkAnatolia / Turkey
Typically thinner and more herbaceous, made with less cucumber and more mint. Often eaten as a soupy cold accompaniment in summer. May include a splash of water or ice.
With tahiniLevantine influence
Some modern versions whisk in 1–2 tbsp tahini for body and a subtle nutty note. Works well but changes the sauce character noticeably.
Used in these dishes
Substitutions
- Strained Greek yogurt → Strained regular yogurt (homemade) — Line a fine sieve with cheesecloth, drain 2–4 hours in the fridge. Result is equivalent.
- Greek yogurt → Skyr (Icelandic strained yogurt) — Skyr is even thicker and higher in protein. Works perfectly; use at same weight.
- Full-fat yogurt → Low-fat or nonfat Greek yogurt — The sauce will be thin and lack richness. Not recommended for classical tzatziki; acceptable for low-fat dieter versions.changes result
- English cucumber → Standard cucumber, seeds removed — Peel standard cucumber if skin is waxy. Removing seeds prevents excess water.
- Fresh dill → Dried dill (use 1 tsp) — Dried dill lacks brightness and fragrance. Use sparingly; fresh is strongly preferred.changes result
Troubleshooting
Sauce is thin and watery after mixing
Insufficient cucumber salting and squeezing, or using un-strained regular yogurt → Salt cucumber for a full 10–15 minutes and press firmly. If yogurt was not pre-strained, strain it first. If sauce is already made, refrigerate 2 hours, pour off any liquid from surface, and stir back in.
Garlic flavor is too harsh or overpowering
Too much garlic, or garlic not crushed/pasted properly, leaving hot uneven pockets → Use 1–2% garlic by yogurt weight (8–16 g per 500 g yogurt). Crush minced garlic to a smooth paste. If too strong, whisk in additional yogurt to dilute.
Oil separates and pools on surface
Adding oil too quickly, insufficient whisking, or not enough protein/fat in base to hold emulsion → Whisk vigorously while drizzling oil in slowly. Use full-fat yogurt (5%+). If separation has occurred, re-whisk with a splash of cold water or ice to re-emulsify.
Cucumber tastes raw or grassy
Skipping the salting rest, or using cucumbers with thick, waxy skin → Salt, rest, and squeeze cucumber as instructed. If using standard cucumber, peel and remove seeds. The grassy note fades with proper salting.