The five
Wages as % of revenue. Food cost as % of revenue. Average spend per cover. Cover count vs forecast. Days of cash on hand.
How to use them
Each gets a band. If it stays in the band, no action. If it moves, the head chef and FOH manager have a 10-minute conversation. That's the whole system.
Why it works
Hospitality runs on a weekly clock. Reporting that runs on a monthly clock will always be too late.