Possible Clues:

• Dressing place
• Diner buffet
• A youth's after seconds, going to pub food counter
• One of the green types sells beer for the vegetarians
• Where to find bowls filled with lettuce, tomatoes etc
• Selection of cold dishes on a counter
• Feature of restaurant that could be drab, alas
• Restaurant area with a sneeze guard
• Food counter with dressing table?
• Common buffet choice