Caesar Salad is a classic salad that originated in Tijuana, Mexico, but has become popular worldwide, including in Barcelona. It typically consists of romaine lettuce, croutons, Parmesan cheese, and a creamy dressing made with garlic, anchovies, lemon juice, and olive oil. The salad is often topped with grilled chicken or shrimp for added protein. It is a refreshing and satisfying option for those looking for a healthy meal in Barcelona.