Lyonnaise refers to a style of cooking and preparation that originates from the city of Lyon, France. It is characterized by the use of simple, high-quality ingredients, often featuring potatoes, onions, and various meats. Dishes prepared in the Lyonnaise style typically emphasize rich flavors and traditional techniques, reflecting the region's culinary heritage. One of the most famous dishes is Pommes Lyonnaises, which consists of sautéed potatoes and onions, often seasoned with herbs. The term can also apply to other recipes, such as Salade Lyonnaise, a salad made with frisée lettuce, bacon, and poached eggs, showcasing the region's love for hearty, flavorful meals.