I have worked with people who have a learning disability and the skills I use to help them learn are essential skills for all levels of learning. Some courses provide a sound framework for managers and staff who supervise others. Introductory courses are aimed at more junior staff.
Make sure you are meeting your legal requirements as a business or employer. Everyone who works with food has a responsibility for safeguarding the health of consumers by ensuring the food they prepare to serve or sell is safe to eat.