Pumpkin Pie

1 (9-inch) deep dish pie crust
1 pound firm silken tofu
1 cup soy sour cream or regular sour cream
2 cups canned or fresh cooked pumpkin
1 cup packed brown sugar
1 teaspoon cinnamon
1/2 teaspoon powdered ginger
1/4 teaspoon nutmeg
1/4 teaspoon ground cloves

Preheat oven to 350 degrees F.

Put tofu and sour cream in blender and pur