Grind the rolled oats into flour with a blender and then transfer to a small bowl.
Place the almond milk, dates, and vanilla into the blender, and set aside for at least 15 minutes (so the dates can soften).
Preheat the oven to 375 degrees. Set aside your prebaked pie crust.
Add the baked sweet potato to the blender with the milk, dates, and vanilla, and blend until smooth.
Add the oat flour, cinnamon, ginger, and cloves to the blender mixture, and blend until smooth, scraping down the sides a couple of times.
Pour the pie filling into the prebaked pie crust and smooth out evenly.
Wrap a few 3-inch-wide strips of aluminum foilaround the edge of the pie crust to keep thecrust from overbrowning
Bake for 25-30 minutes, or until the crust is amedium brown. Remove the pie from the ovenand remove the foil strips. Cool completelybefore slicing.