Crab Louie salad, also known as Crab Louis Salad, is sometimes referred to as the King of Salads.The original recipe dates back to the early 1900's and originated on the West Coast of America. HistoryThe exact origins are unknown, but we do know that Crab Louie was being served in San Francisco, at Solari's, as early as 1914 . A recipe for Crab Louie exists from this date in a publication entitled Bohemian San Francisco by Clarence E. Edwords . The popularity of Crab Louie has diminished since its heyday in the early to mid 1900's, but it can still be found on the menu of some hotels and restaurants on the West Coast, including the Palace Hotel in San Francisco. IngredientsThe main ingredient for Crab Louie, as the names suggests, is crab meat. The preferred crab is Dungeness Crab, but other crab meat can be substituted. Although variations of the recipe exist, an essential ingredient is a seafood dressing such as Crab Louie dressing or Thousand Island dressing. This dressing is either served on the side or mixed with the other ingredients, depending on which recipe is used.A typical Crab Louie salad would consist of :crab meat,hard boiled eggs,tomato,asparagus,cucumber,served on a bed of Romaine Lettucewith a Louie dressing based on mayonnaise, chili sauce and peppers on the side.Other ingredients such as olives and green onions have also been listed as ingredients in some recipes.