Related Clues:

• Diner order
• Cookie favorite
• Black-and-white treat
• Snack that's bitten or licked
• 37-Down, e.g.
• Kind of 'snackwich'
• Nabisco treat
• It may get a good licking
• Cudgel
• Nabisco favorite
• Sweet sandwich
• After-lunch sandwich
• Deli request
• Nabisco cookie
• Treat with milk