Possible Clues:

• Nonkosher lunch orders, briefly
• Lunches in layers
• Short orders to a short-order cook?
• Deli sandwiches, for short
• Club cousins, at delis
• Nonkosher sandwiches, for short
• Deli classics, for short
• Sandwiches that might be made with tempeh
• They're toasted at luncheons