Demi-glace is a rich brown sauce that is typically made with stock, espagnole sauce, an herb sachet, and a splash of dry sherry. Spoon it over steak, duck breasts, chops or to enhance other sauces.
Ingredients:
1 sprig thyme
4 parsley stems
1 bay leaf
6 whole black peppercorns
2 cups unsalted beef or veal stock, preferably homemade