By Molly McCrea Gaynell Rogers is a self-described “wayward Southern belle.” She was born in New Orleans and ended up in the San Francisco Bay Area, where she met the man she would marry and got into the works of film, publicity, and marketing. Her soon-to-be husband was guitarist Roy Rogers, born in Redding, but raised in Vallejo and named after the famous Hollywood singing cowboy. Now, decades later, Gaynell has published a cookbook memoir tha…