Mixed-Mushroom and Tarragon Gravy Recipe | Epicurious

Ingredients

• 2 ounces dried porcini mushrooms
• 2 cups boiling water
• 1/4 cup (1/2 stick) unsalted butter
• 1 large shallot, chopped (about 1/2 cup)
• 3 large garlic cloves, chopped
• 1/2 pound fresh crimini (baby bella) mushrooms, stemmed, caps sliced
• 1/2 pound fresh shiitake mushrooms, stemmed, caps sliced
• 1 teaspoon chopped fresh thyme
• 1 teaspoon chopped fresh sage
• 1 cup dry vermouth or dry white wine
• 4 1/4 cups Ultimate Turkey Stock or low-salt chicken broth, divided
• 1/2 cup crème fraîche
• 5 teaspoons cornstarch
• 1 1/2 teaspoons chopped fresh tarragon
• ingredient info: Dried porcini and crème fraîche are available at many supermarkets and at specialty foods stores.