Pre-heat oven to 350 degrees.
Combine all ingredients, except for pie crust [2], in a food process or blender and process until smooth. Pour into pie crust.
Bake for one hour.
Chill before serving and top with whipped cream or non-dairy whipped cream if desired.
Links:
[1] http://vegetarian.about.com/od/piecrustrecipes/Pie_Crust_Recipes.htm
[2] http://vegetarian.about.com/od/desertrecipes/r/tofupumpkinpie.htm#