Possible Clues:

• Diner call ... and what the answer to each starred clue literally contains
• Diner kitchen shout
• Lunch counter cry
• "Food's here!'
• Phrase often heard in a restaurant kitchen
• Ask someone to provide, informally
• Diner cry after a bell is rung
• Summon for duty
• Officially request
• Request red for a change and pour out all round