Roll the dough into a round 1/8 inch thick on a floured surface, drape it over a rolling pin, and fit it into a 9-inch pie pan. Press the dough firmly into the pan and cut off any excess with the floured rolling pin. Freeze any leftover dough for future use.
Preheat oven to 425 degrees. Combine filling ingredients in order given; pour into pie crust.
Bake in preheated for 15 minutes. Reduce temperature to 350 degrees. Bake an additional 40-50 minutes, or until knife inserted near center comes out clean.
Cool; garnish, if desired with whipped topping.