Possible Clues:

• Puzzle's answer about potato dish, cold
• All Greek to me, Socratic word puzzle
• Problem caused by a cold potato dish -- colcannon, primarily
• Deciphered Socratic composition with hidden message
• Form of word puzzle
• Puzzle that spells out a quotation
• 99 actors composed a sort of verse
• Word puzzle that involves a quotation
• Comic actors start to interpret cubic puzzle
• Word puzzle bringing on a vexed moment, by the sound of it