What wine tourists to Mendoza are most in awe of are the lavish lunches that many wineries offer. In recent years, more and more restós, as they are called, have been popping up, making it difficult for visitors to choose. Below, I have shared with you my three favorite winery lunches—each with a different style and one for each wine appellation: Maipú, Luján de Cuyo and Uco Valley.