can be prepared ahead of time, such as soups or desserts. Because a chef is usually also the supervisor of all employees who work in the kitchen, she also needs to make sure that every worker arrives on time. If she's short on staff, the chef should immediately begin making arrangements for additional workers to fill in if possible. Because a chef is usually also the supervisor of all employees who work in the kitchen, she also needs to make sure that every worker arrives on time. If she's short on staff, the chef should immediately begin making arrangements for additional workers to fill in if possible.