What would be the most useful restaurant KPIs to track in Power BI?

I'm looking at the problem from the perspective of a restaurant that has sales, menu-item, customer, and ordering data but doesn't necessarily have a dedicated data analyst.

Beyond total sales, I'm curious about metrics such as average order value, food cost, item popularity, peak ordering times, table turnover, and menu performance.

For restaurants experimenting with AI, which metrics do you think are most useful for generating practical recommendations rather than just producing another dashboard?