Nutella Swirl Pumpkin Pie

and 1/2 cups gingersnap cookie crumbs

sugar

unsalted butter, melted and slightly cooled

large eggs, room temperature

can pure pumpkin or 2 cups fresh pumpkin puree

heavy cream

packed dark brown sugar (or light brown sugar, I prefer dark)

and 1/2 teaspoons cinnamon

ground ginger1

ground cloves1

nutmeg1

salt

Nutella, warmed (or 4 oz melted high quality chocolate)