Historical clue formulations

• Component of a Caesar salad / Captivate — 2025-06-15
• Ingredient in a Caesar salad — 2023-04-09
• Iceberg neighbor — 2015-06-27
• Caesar salad base — 2005-08-11
• Salad ingredient — 2003-10-26
• Iceberg alternative — 1999-01-09
• Sandwich lettuce — 1996-04-12
• 4-Down starter — 1995-06-10
• Iceberg alternative — 1994-11-02
• Salad ingredient — 1994-05-28
• Lettuce variety — 1994-03-01