One can go to the USPTO official website and file a patent online. Publication: The Patent Office publishes the application on their official website after some time. Then, the application is ready to enter for the examination stage. Prosecution: During examination, the examiner may ask for a few clarifications.
Yes, a food product and/ or its recipe can be patented.
Special Patent is a bread flour, about 12.5% protein. Use it for breads, pizza, rolls, yeasted pastries like croissants, babkas and danish.