Turn the oven down to 350. Put the pie pan in once the temp decreases and cook 10-12 minutes.
Scoop out the insides of the potato and add it to a food processor.
Add the rest of the ingredients and mix on high until the mixture it is smooth and you cant see any chunks.
Dump the filling into the pie pan when it comes out of the oven.
Cook for 45 minutes at 350, until a knife inserted to the middle comes out clean.
Allow the pie to cool to room temperature to help it set. Top with whipped cream and enjoy!