Cortese operates in Terre Siciliane, the expansive wine region of southern Sicily, where Mediterranean heat and volcanic soils shape distinctive red and white wines. The winery's portfolio centers on indigenous Sicilian varieties. Boscopiano Frappato, made from the delicate Frappato grape, demonstrates the finesse possible in Sicily's red wines. Senia Nero d'Avola, built on the darker, more structured Nero d'Avola, reflects the region's capacity for serious reds. Vanedda Bianco, a Grillo-based white, captures the aromatic and mineral character typical of Sicily's coastal whites. Decanter, Wine Enthusiast, and Wine Spectator have all assessed Cortese's output, engaging with wines that speak to Terre Siciliane's volcanic terroir and the particular expression of its native grapes.