To prepare a three layer pumpkin pies baked goods recipe, you will first need to prepare the pumpkin pie filling. You will need: Pumpkin Pie Filling: Preheat the oven to 325 degrees F (180 degrees C). Place the pie shell in the preheated oven and bake for 30 minutes or until the crust is golden brown. Remove the shell and place it on the wire rack to cool for 10 minutes. In the bowl of an electric mixer, beat the egg whites on medium speed until stiff peaks form. Gradually add the sugar, beating after each addition until light and fluffy. Add the vanilla and vanilla extract and beat until combined. Pour the mixture into the prepared pie crust and spread evenly.