Walnut Street Café is a University City mainstay serving innovative riffs on American comfort food from an award-winning team. Executive Chef Jack Peterson balances elevated techniques and approachability to create seasonal menus that champion high-quality, local ingredients. Walnut Street Café is owned and operated by Warren HQ — the hospitality group behind Sunset Social and The Post also located in the Cira Green building — in partnership with Brandywine Realty Trust. Walnut Street Walnut Street Cafe is an award-winning restaurant serving innovative riffs on American comfort food. Executive Chef Jack Peterson balances elevated techniques and approachability to create delicious, seasonal menus that champion local ingredients. According to Conde Nast Traveler, the Lancaster chicken is a can’t miss. Walnut Street Café is open Tuesday through Sunday for lunch, an unrivaled happy hour dubbed “Golden Hour,” dinner and weekend jazz brunch.