1. Preheat oven to 375°F.
2. In a large mixing bowl, combine egg, pumpkin puree, sugar, heavy cream, cinnamon, nutmeg and ginger.
3. Spread the pumpkin pie filling evenly over the bottom of the unbaked pie shell.
4. In a medium-mixing bowl, combine eggs, corn syrup, sugar, butter and vanilla extract. Fold in pecans. Spoon pecan pie filling over pumpkin layer.
5. Bake 50-60 minutes, until center of pie is set.