Au Bon Pain Beef & Vegetable Stew Au Bon Pain menus, MenusMarch 08, 2016Chunks of tender beef simmered in a burgundy laced gravy with pearl onions, celery, tomatoes, petite carrots and russet potatoes. Au Bon Pain Chicken & Vegetable Stew Au Bon Pain menus, MenusMarch 21, 2016Pearl Onions, Russet Potatoes, Carrots, Celery, and Shiitake Mushrooms are simmered in a Burgundy scented Broth with tender morsels of Chicken, Petite Peas, and Sweet Cream.