
Mushroom demi-glace is a rich, savoury gravy made with mushrooms and shallots. It is often served with grilled meats such as steak, veal, or beef medallions, and can also be used as a base for other sauces. Demi-glace is derived from French cuisine and is typically made by combining equal parts veal stock with Espagnole sauce, one of the mother sauces in classical French cooking. However, modern recipes often substitute store-bought beef stock for the veal stock, reducing the cooking time significantly.
| Characteristics | Values |
|---|---|
| Type | Sauce |
| Base | Demi-glace |
| Ingredients | Mushrooms, shallots, beef stock, butter, flour, garlic, tomato paste, sherry, lemon juice |
| Preparation | Sauté mushrooms and shallots, add butter and flour, whisk in beef stock, simmer, add mushrooms and shallots in last 5 minutes |
| Serving suggestions | Steak, grilled meats, hazelnut-crusted pork medallions, grilled portobello caps, mashed potatoes |
| Nutritional info per serving | Calories: 180kcal, Carbohydrates: 10g, Protein: 7g, Fat: 13g, Saturated Fat: 5g, Trans Fat: 1g, Cholesterol: 15mg, Sodium: 585mg, Potassium: 703mg, Fiber: 1g, Sugar: 4g, Vitamin A: 297IU, Vitamin C: 3mg, Calcium: 28mg, Iron: 1mg |
| Storage | Refrigerate in a sealed container for up to 2 weeks or freeze for 3-4 months |
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What You'll Learn

Mushroom demi-glace is a rich brown sauce
Demi-glace is a classic French sauce that is either used on its own or as a base for other sauces. The traditional method involves combining equal parts veal stock and Espagnole sauce, another classic French "mother sauce". This mixture is then simmered for up to eight hours, resulting in a dark, rich brown sauce. The lengthy cooking process extracts collagen and proteins from the bones used to make the stock, contributing to the sauce's characteristic colour and flavour.
However, modern recipes offer shortcuts to creating a demi-glace by using store-bought beef stock, which reduces the cooking time significantly. This substitute demi-glace is made by thickening the store-bought stock with flour or cornstarch and seasoning it with salt to taste. While this quicker version may not have the same depth of flavour or body as the traditional recipe, it is still a legitimate way to prepare a mushroom demi-glace.
Mushroom demi-glace specifically calls for the addition of mushrooms and often includes shallots or onions, enhancing the savoury flavour of the sauce. This sauce is incredibly versatile and can be served with various dishes, from grilled meats to seafood and vegetables. It can also be used to add depth to soups, stews, and stir-fries.
Preparing mushroom demi-glace at home is a labour of love, requiring patience and attention. However, the resulting rich, brown sauce is well worth the effort, elevating any dish it accompanies.
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It can be used as a base for other sauces or on its own
Demi-glace is a rich brown sauce that can be used as a base for other sauces or on its own. It is a classic in French cuisine. A traditional demi-glace recipe involves combining equal parts veal stock with Espagnole sauce, one of the "mother sauces" in classical French cooking. This process is time-consuming, taking up to eight hours.
Nowadays, there are quicker ways to make demi-glace, such as using store-bought beef stock, which can reduce cooking time. However, the homemade version is darker in colour due to the reduction and concentration of brown stock, which is coloured by the browning of the bones. Bones are simmered for a long time to extract collagen and other proteins, which adds to the lengthy process.
Mushroom demi-glace is a gravy that can be served on its own or used as a base for other sauces. It is often served with meat, especially steak, grilled portobello mushrooms, or Hazelnut Crusted Pork Medallions. It can also be served with mashed potatoes.
To make mushroom demi-glace, you can sauté mushrooms and shallots in butter or olive oil until soft and translucent. Then, you can add beef stock, garlic, and tomato paste, and simmer for an hour or so. This creates a rich, tasty gravy that can be used as a base for other sauces or enjoyed as it is.
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It is often served with steak
Mushroom demi-glace is often served with steak. Demi-glace is a rich, brown sauce that is either used as a base for other sauces or on its own. The traditional method for making a demi-glace involves combining equal parts veal stock with Espagnole sauce—one of the "mother sauces" in classical French cooking. However, this process can take up to eight hours, so there are alternative methods that use store-bought beef stock to reduce cooking time.
Mushroom demi-glace is made by sautéing mushrooms and shallots in butter until soft and translucent. Then, the demi-glace is added and brought to a boil before being lowered to a simmer for about 10 minutes. Finally, sherry is stirred in, and the sauce is seasoned to taste with lemon juice. This sauce can be served with steak, providing a rich and flavourful addition to the dish.
The combination of mushrooms and demi-glace creates a luxurious and indulgent sauce that pairs exceptionally well with steak. The earthiness of the mushrooms complements the savoury notes in the demi-glace, resulting in a robust and satisfying flavour profile. When served with steak, mushroom demi-glace enhances the taste experience, making it a popular choice for those seeking a decadent and flavourful meal.
Additionally, the sauce's consistency is ideal for topping a juicy steak. Its thickness allows it to coat the meat evenly, ensuring each bite delivers a burst of flavour. The sauce's richness also helps to balance the steak's inherent robustness, creating a harmonious dining experience.
Mushroom demi-glace is a versatile sauce that can be prepared in advance and stored in the refrigerator for up to two weeks or frozen for later use. This convenience makes it a handy option for those who want to elevate their steak dinners without spending excessive time in the kitchen.
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It can be made with button, oyster, or wild mushrooms
Mushroom demi-glace is a rich, savoury gravy that can be used as a base for other sauces or on its own. It is made by combining equal parts brown sauce and brown stock, which is then simmered until it's reduced by half. The traditional method for making a demi-glace involves using veal stock, but store-bought beef stock can also be used to cut down on the eight hours of cooking time.
Mushroom demi-glace can be made with button, oyster, or wild mushrooms. Wild mushroom sauce is often made with chanterelles, morels, or a combination of wild and cultivated mushrooms. When making mushroom demi-glace, it is important to sauté the mushrooms and shallots until the mushrooms are soft and the shallots are translucent. You can also add a teaspoon of minced garlic if desired.
To make the demi-glace, heat olive oil, mushrooms, and shallots in a pan over medium heat. Once the mushrooms are browned and the shallots are translucent, remove them from the pan and set them aside. Add butter to the hot pan and whisk in the flour, cooking until the butter and flour have browned. Slowly whisk in the beef stock, ensuring there are no lumps, then add the garlic and tomato paste. Bring the mixture to a simmer, reduce the heat to low, and simmer for about an hour, stirring frequently.
The gravy should be reduced by half. Add the cooked mushrooms and shallots in the last 5 minutes of cooking. Mushroom demi-glace can be served with steak, hazelnut-crusted pork medallions, grilled portobello caps, or mashed potatoes. It can also be used to add flavour to stews, soups, and stir-fries.
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It is thickened with pectin and xanthan
Mushroom demi-glace is a rich gravy that is thickened with pectin and xanthan. Demi-glace is a French sauce that is either used on its own or as a base for other sauces. It is made by combining equal parts brown sauce and brown stock, such as beef stock, and then simmering until it reduces by half. The traditional method involves using veal stock and Espagnole sauce, one of the "mother sauces" in classical French cooking. However, modern recipes often use store-bought stock to reduce prep time.
Mushroom demi-glace is a variation that includes mushrooms and is often served with meat dishes, especially steak. To make it, mushrooms and aromatics like shallots or onions are sauteed in butter or olive oil until soft and browned. Then, flour is added to create a roux, which further thickens the sauce. The beef stock is slowly whisked into this mixture, along with additional flavourings like garlic and tomato paste. The sauce is then simmered for an extended period, typically about an hour, to allow the flavours to develop and the sauce to reduce and thicken.
Pectin and xanthan are effective thickening agents used in the mushroom demi-glace. Pectin is a natural thickener derived from fruits, while xanthan is a polysaccharide produced by bacterial fermentation. Together, they help give the sauce its desired consistency without altering its flavour.
The process of simmering and reducing the sauce is crucial to achieving the right texture and concentration of flavours. While the addition of pectin and xanthan provides further thickening, the reduction step cannot be skipped, as it intensifies the flavours and creates the characteristic rich, dark colour of the demi-glace.
Mushroom demi-glace can be made in advance and stored in the refrigerator for up to two weeks or frozen for later use. It is a versatile sauce that complements grilled meats, mashed potatoes, and various entrees, enhancing the flavour of the dish.
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Frequently asked questions
Mushroom demi glace is a rich gravy made with mushrooms, shallots, and beef stock. It is often served with grilled meats such as steak, pork, or veal.
To make mushroom demi glace, you will need to sauté mushrooms and shallots in butter or olive oil until they are soft and translucent. Then, add beef stock, garlic, and tomato paste, and simmer for about an hour. Finally, season with salt and/or lemon juice to taste.
Mushroom demi glace is typically served with grilled meats such as steak, pork medallions or veal. It can also be served with grilled portobello mushrooms or mashed potatoes.
Yes, mushroom demi glace can be made in advance and stored in the refrigerator for up to two weeks or frozen for three to four months.
























