Pumpkin Pie Recipe - Traditional

1 pie pumpkin (weighing 2 to 3 lbs.)

Vegetable oil

PIE FILLING:

1 single pie crust,

9 inch

1/2 cup brown sugar

1 tablespoon flour

1 1/2 cups pumpkin puree

1 1/2 cups heavy cream

1/2 teaspoon salt

1 teaspoon ground cinnamon

1/2 teaspoon ground ginger

1/4 teaspoon ground nutmeg

1/2 cup light corn syrup

3 eggs, beaten

1 teaspoon vanilla

Whipped cream for serving