[header] How to write a cookbook [title] Choose the focus or theme of the cookbook. [step] If you want to write a cookbook, chances are you already have a general idea of what you want to write about. Start with a broad style of food or specific type of diet. 
From there, you can begin to narrow down exactly what you'll write about. [substeps] For example, you might want to write a dessert cookbook or a party food and appetizer cookbook.