AB 1616 (Gatto), the Homemade Food Act, allowed for the first time in California the production for sale of certain non-potentially-hazardous foods in home kitchens. The program went into effect at the beginning of 2013 and is overseen by the Department of Public Health.
Their webpage provides the text of the bill and other information.
Click here to download a list of approved foods that can be prepared in home kitchens as of July 1, 2015.
You must obtain a permit from your local county Environmental Health office.
Any of these foods are eligible to be sold through direct marketing outlets, such as farmers markets and CSAs.