Possible Clues:

• Greasy spoon orders, briefly
• Where iceberg sightings are common
• Martha Stewart makes them with basil leaves and homemade mayo
• Layered lunch orders
• Sandwiches I like to add A too (any A)
• Orders with mayo
• Crispy sandwiches, briefly
• Short-order orders
• Usually toasted sandwiches, for short
• Counter orders?