Place white wine in a saucepan over medium-low heat and reduce by 3/4. Add the mushrooms, shallots, butter and demi-glace. Add the tomatoes and simmer for 5 minutes. Add parsley and serve over your meat of choice.
This recipe was provided by professional chefs and has been scaled down from a bulk recipe provided by a restaurant. The FN chefs have not tested this recipe, in the proportions indicated, and therefore, we cannot make any representation as to the results.