Spiced Buttermilk Pie - Paula Deen

Ingredients

• ½ (14.1-ounce) package refrigerated pie crusts
• 1½ cups granulated sugar
• 3 tablespoons All-purpose flour
• ½ teaspoon pumpkin pie spice
• ¼ teaspoon Kosher salt
• ¾ cup whole buttermilk, room temperature
• ¼ cup unsalted butter, melted and slightly cooled
• 3 large eggs
• ½ teaspoon vanilla extract
• ¾ cup heavy whipping cream, cold
• ⅓ cup whole buttermilk, cold
• ¼ cup Confectioners' sugar
• ⅛ teaspoon Kosher salt
• Ground nutmeg , for garnish