Possible Clues:

• Intolerable sentimentality from European after claret's drunk
• Syrup from maple perhaps covering a caramel's edges
• Sweet thing in Electra complex?
• Liquid needed for theatre — a clean-up
• Last of breakfast cereal turned into mush
• Sticky stuff — a small quantity secreted by maple, say
• Golden syrup from tin initially put on flaky cereal
• Schmaltz
• 'The fly that sips -- is lost in the sweets' (John Gay)
• Essential ingredient of philtre? A clear sticky goo