Preheat oven to 350 degrees
Beat cream in a large mixing bowl or kitchen mixer. Add the pumpkin and beat until combined.
Add the sugar and salt. Beat.
Add the eggs, half-and-half, and Cannabutter. Beat until combined.
Beat in the remaining vanilla, cinnamon, and ginger until combined.
Pour the filling into the pie crust. Bake for 45-50 minutes, or until the center is set.
Let pie cool and room temperature before topping with whipped cream.