To make this signature pumpkin pie recipe start by preheating the oven to 425°F. Place frozen pumpkin pie crust on large foil-lined baking sheet.Mix pumpkin, milk, eggs, pumpkin pie spice and vanilla in large bowl until smooth. Pour the mixed ingredients into your pumpkin pie crust.Bake the mixed pumpkin pie ingredients in the crust for 15 minutes. Reduce oven temperature to 350°F. Bake 40 minutes longer or until knife inserted 1 inch from the pumpkin pie crust comes out clean. Cool completely on wire rack. Serve with Vanilla Whipped Cream, if desired.Try this signature pumpkin pie recipe with our Homemade Vanilla Pie Crust and Homemade Pumpkin Puree.