A glace is a richly concentrated sauce that enhances the flavor of everything from soups and stews to pan sauces and risottos. Ours are carefully simmered for hours to achieve a rich, complex character,then flash-frozen to preserve peak freshness. Resealable foil packaging makes it easy to use as much as you need, then freeze the rest. Blanched Chicken: A mild, delicate glace seasoned with root vegetables and fragrant herbs. Roasted Chicken: Prepare with onions, carrots, celery and herbs. Lobster: A luxurious seasfood glace made with white wine, leeks, fennel and citrus. Fresh Vegetable: A richly flavored blend of root vegetables and aromatic herbs. 16 oz. Made in USA. A Williams-Sonoma exclusive.