Here's a look at my proposal process: - 1. Once I've established a theme or general concept - start a binder, fill it with plastic sheet covers.Let's pull back the curtain and show you how to write a cookbook proposal with the ultimate guide to creating the business plan for your dream book. A perfect proposal generally has three parts. An intro paragraph in which you introduce yourself and your profession. Discover the secrets to creating a winning catering proposal in just 6 easy steps! Here are expert tips and a free template. To write a proposal letter, follow these simple steps. Alongside our guidelines, we also offer proposal letter templates and examples. The document is a proposal for a cooking documentary.