Recipe Notes
Add the broth a little at a time, stirring after each addition. It will be thick at first but will thin out nicely.
Cornstarch can be used in place of the flour creating a slurry. Prepare the recipe as directed omitting the flour. Before serving, combine 1 tablespoon cornstarch and 1 tablespoon water. Slowly pour the cornstarch into the simmering mixture while whisking until thickened.
For a creamy mushroom sauce, add 1/4 cup heavy cream and simmer for a couple of minutes.