Possible Clues:

• Lettuce and fish eggs -- most important for inclusion
• Caesar salad basic
• Chief has lots of eggs handed round, with lettuce
• Deer eating most important lettuce
• Healthful food for goldfish
• Mother at home tucking into eggs and lettuce
• North American word for cos lettuce
• Salad base
• Cardinal tucked into eggs and lettuce
• The usual US and Canadian name for a cos lettuce