Hanna is best known as the author of "The Winemaker Cooks: Menus, Parties, and Casual Dining" (2010), a cookbook published by Chronicle Books. Drawing on her extensive experience working with winemakers in Napa Valley, the book pairs seasonal recipes with wine recommendations, reflecting her philosophy of approachable, elegant entertaining built around fresh, local ingredients.
Beyond her writing, Hanna has contributed to various culinary publications and hosted numerous food and wine events. Her work emphasizes the pleasures of shared meals and the rich agricultural heritage of Northern California. Widely respected in culinary circles, she remains an influential voice in American food and wine culture, inspiring home cooks to embrace wine-friendly cooking and convivial dining. Her contribution bridges the gap between professional winemaking and everyday home kitchens.