Au Bon Pain Wild Mushroom Bisque Au Bon Pain menus, MenusApril 05, 2016Delicate oyster and exotic shiitake mushrooms simmered in a garlic scented broth with onions, sherry, light cream and domestic mushrooms. Sandwiched champignon mushrooms - recipe VideoSeptember 22, 2016If you are looking for a creative, no-cook appetizer idea, this is the recipe for you: two champignon mushrooms joined together by a creamy cheese filling with various flavors!