What AI says about Blue Danube Coffee House

Blue Danube Coffee House is a San Francisco cafe that offers coffee and a menu of sandwiches and salads, including items like Cobb Salad and Roast Beef, Pastrami, and B.L.A.T. All sandwiches are served with a side of mixed greens, and customers can order ahead or online. Located at 306 Clement St, they operate daily from 7:00am to 7:00pm and are closed on Thanksgiving and Christmas Day.