Preheat oven to 425°F.
Mix sugars, salt, and spices, and lemon zest in a large bowl. Beat the eggs and add to the bowl. Stir in the pumpkin purée. Stir in cream. Whisk all together until well incorporated.
Pour into pie shell and bake at 425°F for 15 minutes. After 15 minutes reduce the temperature to 350°F. Bake 40-50 minutes, or until a knife inserted near the center comes out clean.
Cool on a wire rack for 2 hours.
Serve with whipped coconut cream.
Yield: Serves 8.
http://www.simplyrecipes.com/recipes/all_butter_crust_for_sweet_and_savory_pies_pate_brisee/ for step by step instruction.