Well if you are famous and also a good cook you are just a famous person.
the answer is sous (pronounced soo) chef.
It depends on the circumstance. If the sous-chef outranks you, it is not necessarily wrong to address them as "Chef". Usually the title is reserved for the Executive Chef or Head Chef, and addressing...
a chef works in a restaurant and a private chef works at your household and only cooks for you
Minimum wage