How to Become a Successful Food Writer
Understand the food industry. To become an authentic food writer, you should be aware of how things operate behind the scenes. Understand restaurant business dynamics, the 'food chain' that allows all things to happen, chef duties, staff responsibilities, daily machinary, menu setting, infrastructure requirements, and every other detail you can lay your hands on.
If possible, work in a restaurant for a few months, no matter what the designation. This will give you a better idea of how the food business works.