Braised Sweetbreads with Mushrooms is classic French cooking. A modern cook might simplify and combine steps, but by attending to detail, flavors are perfected along the way and complement the simple sweetbreads. Alas, the mirepoix, bouquet garni, flavorful ham, and broth elevate this dish to rich comfort food. Braised Sweetbreads with Mushrooms are tender, succulent and flavorful. As usual, Mastering the Art of French Cooking does not disappoint. …