Oregon has a Cottage Law which allows its citizens to operate a home based bakery or food processing business. For details about small/home food processing contact your local health departments or the state Department of Agriculture.
Domestic kitchen licensing procedures
Oregon Department of Agriculture – Food Safety Division
635 Capitol Street NE
Salem, OR 97301-2532
Phone: 503-986-4720
fsd-expert@oda.state.or.us
http://oregon.gov/ODA/FSD/docs/pdf/pub_domkit.pdf
Food Safety Division – Domestic Kitchens
http://oregon.gov/ODA/FSD/docs/pdf/pub_label_general.pdf