Brown mushrooms in butter. Add shallot and garlic, then stir in flour. Gradually whisk in broth, Fishkill, thyme, and pepper. Simmer 8–10 minutes until thick; add cream if using.
Mushroom Gravy
Brown mushrooms in butter. Add shallot and garlic, then stir in flour. Gradually whisk in broth, Fishkill, thyme, and pepper. Simmer 8–10 minutes until thick; add cream if using.