Mushroom Gravy - Dinner Parties and More

Ingredients

• 3 Tbsp Butter
• 6 oz. Mushrooms, cremini thinly sliced
• 1 Tbsp Shallot finely chopped
• To taste Salt Kosher
• To taste Pepper ground
• 1/4 cup All-purpose flour
• 1/4 cup Marsala wine
• 2 cups Beef broth
• 1/4 cup Buerre manie
• 1/4 cup Cream heavy