Roast Beef Tartines for a Crowd

Bar de la Croix Rouge, the trusty old wine bar in the 6th arrondissement, is a great place to appreciate the simplicity of a good tartine. It’s been a few years, but I can still picture the pink beef, well-seasoned and placed evenly on a slice of toasted levain bread and cut crosswise into thin strips. So simple, but so satisfying. Back at home, I love to add a little dab of horseradish cream instead of the Dijon that sits on most Parisian bistro tables. Roast beef is one of those dishes th