Possible Clues:

• Zaire zip code for a slice of Italy
• Secretary represses one snoring in hospital with single from Italian restaurant
• Turns up broadcast from Spain and Zaire initially with enthusiasm for culinary types in Napoli
• Server of (deep-pan) food
• Italian-style restaurant
• Locale in 'Do the Right Thing'
• Place to order slices
• Chuck E. Cheese's, in part
• Restaurant's pie containing two mystery ingredients, right one appetising at first
• Nothing American about unusual Azeri restaurant