Do you dream about writing a cookbook? Do you think about what recipes you'll put into your cookbook? Do you imagine what your cookbook will look like?
Dreaming about writing a cookbook and musing on the possibility of really writing a cookbook are very important ingredients in actually creating a cookbook.
What's your vision for your cookbook? Can you imagine it in your mind? What does it look like when it's floating through your thoughts?
Put your cookbook vision on paper and see what happens.