Louie Salad is a popular dish made with CRAB, lettuce, and mayonnaise. It is believed to have originated in the United States in the early 20th century. The dish is named after Louis Diat, a French chef who worked at the Ritz-Carlton in New York City. The dish consists of cooked CRAB meat, lettuce, and mayonnaise, and is usually served cold. It is often garnished with lemon wedges and parsley. Louie Salad is a popular dish in many parts of the world, and is often served as an appetizer or side dish.