Possible Clues:

• My favourite: it's a square little cake
• Poet excited with fruit cake
• Sort of tripe and tofu biscuit
• Bite-size sweet
• Delicacy of small bird reflected in pure flying
• Biscuit, favoured thing with bridge players
• *Bite-sized cake
• I travel widely, covering France in pursuit of favourite biscuit
• Small biscuit
• Has the quartet got a little French? Well, that takes the biscuit!