Sicily (used widely in Calabria too)
Sicily's ancient lemon-herb sauce for grilled fish and meat: extra-virgin olive oil emulsified with lemon juice, dried oregano, garlic, and salt, whisked together and applied to fish both during and after grilling. The salmoriglio is applied in multiple stages: as a baste during grilling, and as a final dressing at service. The emulsification is temporary — it separates quickly, which is correct. The technique requires whisking the oil and lemon together with a few drops of water just before use. Used across Sicily and Calabria particularly for grilled swordfish, tuna, and beef involtini.
Bright lemon acidity; olive oil richness; intense dried oregano; garlic warmth; cuts through the richness of grilled fish
{"Ratio: 3 parts best olive oil : 1 part fresh lemon juice + 2–3 tablespoons hot water, whisked","Dried Sicilian oregano (not fresh) — the dried herb's concentrated flavour works better than fresh at grill temperatures","Whisk just before use — the emulsion is temporary and breaking is normal; just re-whisk","Baste the fish 2–3 times during grilling, then dress generously at service with fresh salmoriglio","The garlic is added very finely minced or as a smashed whole clove removed before serving — intensity is a personal choice"}
{"Hot water in the emulsion helps initial mixing and slightly mellows the lemon sharpness","Salmoriglio is also used as a marinade for involtini di pesce spada (swordfish roulades) before grilling","For beef application: less lemon, more oregano — the proportion shifts when used on meat","The sauce keeps 2–3 days in the fridge but must be re-whisked before each use"}
{"Using dried oregano from non-Sicilian/Greek sources — the regional variety has a higher volatile oil content and distinctive flavour","Applying salmoriglio at service only — the grilling baste stage is where the lemon caramelises onto the fish","Using fresh oregano — the water content steams rather than infuses at grill temperatures","Over-emulsifying — the sauce separates at table which is correct; over-blending creates a thicker, different product"}
La Cucina Siciliana — Pino Correnti