Every kitchen should have a great Demi glacé on hand. The depth of flavor cannot be replicated, slow roasting and time are crucial to making a deep brown, clear and shiny finished product. I make this recipe 2-3 times per year, freezing it in small batches for later use.
25 lbs. Veal Bones
8 onions with skins
6 carrots with skins
2 heads celery
3 6-oz. cans tomato paste
3 Bay leaves
2 bunches parsley STEMS ONLY. (The leaves will leave black specks in the demi that looks like burned herbs.)
Water to cover
1. Preheat the oven to 350 and roast the bones for about an hour. Do not burn. Remove from oven and coat with tomato paste. Return to the oven for about 5 minutes until the paste roasts but doesn’t burn. Place the bones at the bottom of a stock pot and form a barrier between the vegetables and the pot. This will prevent a bottom burn.
3. Rough cut the rest of the onions, carrots and celery and roast until browned and softened. About an hour or so.
4. Add the vegetables on top of the bones and cover with water to about 4″ from the top of the pot. Add the bay leaves, peppercorns and parsley stems.
5. Simmer for 3 days. Strain and refrigerate.
6. Remove the fat from the top.
7. Reduce to 1/3 of starting volume.
8. Should make 3 Quarts. Can be frozen. If you make a large batch, portion the demi into ice cube trays and freeze in containers for future use.