Crab Louis is a classic American salad that features lump crab meat as its main ingredient. It typically includes a mix of greens, such as lettuce or spinach, and is often garnished with sliced tomatoes and hard-boiled eggs. The dish is known for its creamy dressing, which usually combines mayonnaise, ketchup, and Worcestershire sauce, giving it a tangy flavor. Originating in the early 20th century, Crab Louis is believed to have been created in San Francisco. It is often served as a refreshing appetizer or light meal, making it a popular choice in seafood restaurants. The dish showcases the sweet taste of crab while providing a satisfying combination of textures.