What is Demi-Glace?
Demi-glace is a sauce made by combining a basic brown sauce made with flour and beef stock with more beef stock and seasonings to create a thick, rich glaze with a deep, beefy flavor. It can be used a base for other sauces or added to stews, soups and gravies.
Ingredients
Beef stock is made from boiling beef bones in water, often with vegetables and seasonings. The stock boils for twelve to twenty-four hours typically. The result is a brown colored liquid with a thin layer of fat on top. The flavor is rich, meaty and somewhat vegetal. Beef stock is used in soups, sauces, and as a cooking liquid for many dishes.
The onion is a bulb vegetable, meaning its bulb and not its leaves are eaten. Onions come in many varieties, including white, yellow and red. Shallots are small and mild onions. Vidalias are sweet, while red onions are strong and sharp. The onion is usually round and has a thin dry skin around its juicy layers. This skin depends in the color of the onion, as does the flesh. The flesh, or body of the onion is made of multiple round layers, that get smaller towards the center. The flavor of onions are sharp and sweet when raw, with an astringent taste. When cooked, these flavors mellow and the sweetness emerges. Onion are a very common flavoring and ingredient for many savory dishes.
Carrots are a root vegetable with feathery green tops and long tapered orange colored roots. Some carrot varieties are purple or yellow, but orange is the most common. The carrot can be up to a foot in length. It has a dense, woody texture that is nonetheless very chewable and non-fibrous. Its flavor is sweet and a bit earthy. Carrots are eaten raw, cooked and used in cuisines across the world.
All purpose flour comes from wheat and though wheat is cultivated all around the world today, it was first cultivated in Turkey 10,000 years ago. All purpose flour is white in color and has a soft texture. This incredibly versatile flour is used in everything from breads, cakes, pastries, crackers, pasta, sauces and much more because of its pleasing and mild flavor that is slightly nutty and buttery. The gluten protein is what helps hold together breads and other products, part of what makes all purpose wheat flour so popular.
Celery is a light green vegetable with tall, thin fibrous stalks and green leaves at their tips. They are extremely juicy and comprised of 90% water. They grow in clusters, sharing a base with about eight or nine ribbed stalks. The texture is crunchy, juicy and has a refreshing flavor that is light, sweet and vegetal. Celery can be eaten raw or cooked into soups and other dishes.
Parsley is an aromatic herb with slender green stalks and sturdy, small green leaves. There are two common types of parsley, curly parsley and Italian flat leaf parsley. Italian parsley has a more robust flavor than curly parsley. Though each type tastes green, spicy and vegetal, with a hint of bitterness. Parsley is used as and herb to flavor dishes and as a garnish.
The peppercorn plant grows in tropical climates and produces tiny black fruit. The fruit is dried and becomes hard. It has a flavor that is spicy, pungent and sharp. Pepper is an extremely popular spice, and lends a gentle heat to dishes. There are different varieties of black pepper and the flavor changes subtly because due to this.
Thyme is an herb used in various cuisines for its gently sharp and cool pungency. A minty edge is present in its flavor. It grows on thin stalks and has very small tapered green leaves with a hint of white at the edges. The herb is often dried and takes on a muted green color. It goes well in soups and with meats, grains and vegetables.
Bay leaves are commonly bought dried, though can be used fresh. Once dried, they are a muted green color, bordering on grey. Each end comes to a point and the scent is green, floral and similar to thyme. One or two bay leaves are enough to flavor a large pot of soup. The flavor it lends is herbal and almost spicy, without any heat. Bay leaves should not be consumed as the flavor is pungent and bitter when not distributed through a dish.
