Dough Preparation: In the bowl of an electric mixer cream the shortening with the sugar briefly and then blend in the eggs, vanilla, and buttermilk. Fold in spices, Rumford Baking Powder, Clabber Girl Baking Soda, salt, flour, and blend well to make a soft but stable dough (add more flour if required). Let dough rest 15 minutes. Turn out onto a floured surface and roll dough to 1/2-inch thickness. Cut doughnuts using a doughnut cutter. If you do not have a doughnut cutter, you may use two separate sized cookie cutters for the doughnuts inner and outer rings. Pumpkin Pie Sugar Preparation: Combine the sugar and spices in a bowl and set aside. Heat the oil to 375° – 385° F. Add doughnuts in gently, a few at a time, frying until golden or deep brown on each side (about 20-30 seconds a side). Drain well and then toss doughnuts into spiced sugar.