Heat oven to 450°. Line a 9-inch pie plate with dough and set aside. In a large bowl or blender, combine eggs, sugars, salt, and spices. Beat well. Blend in turnip. Add cream and mix well (it’ll look soupy).

Pour into piecrust. Bake 10 minutes; then reduce oven temperature to 350° and continue baking 40 to 45 minutes. Pie is done when a knife inserted into the center comes out clean. Serve at room temperature or cold, topped with whipped cream.