Possible Clues:

• Layer upon layer of food for a snack!
• Golf club in which food is provided between rounds
• *Insert, as into a tight schedule
• Snack produced by French writer that first husband rejected
• Lunchbox occupant, usually
• One of the Cinque ports
• Lunch order that can follow the starts of 1-, 35- and 43-Across
• Components of it may be inch wads
• Snack made with leftover Thanksgiving turkey
• This snack makes chin wads