At 80, cookbook author Georgeanne Brennan is still creating. Georgeanne Brennan is fetching groceries from her car as I pull up to her Winters farmhouse for a visit. When I offer to help, Georgeanne starts to give me a bag, then changes her mind. “I’ll take the heavy one,” she says, placing a much lighter sack into my arms. The prolific cookbook author and renowned food expert turned 80 in May, but she’s clearly capable of toting heavy bags—and much more. In the past year alone, she opened an ap