Roll pastry on floured surface into a circle 1-inch larger than inverted 9-inch pie plate. Ease pastry into pan; trim and flute edge.
Beat pumpkin, evaporated milk and eggs in a medium bowl; beat in remaining ingredients. Pour into pastry shell. Bake in a preheated 400-degree oven for 35-40 minutes or until a knife inserted near the center comes out clean.