Preheat oven to 375.
In the bowl of a mixer, beat together butter and sugar. Add egg, vanilla, pumpkin pie spice and salt; mix in flour until thoroughly combined.
Load dough into the barrel of a cookie press. Spacing cookies 1" apart, press out cookies directly on to cookie sheet. Sprinkle with sanding sugar or sprinkles.
Bake in preheated oven for 10-12 minutes, or until lightly golden.
Allow cookies to cool on a wire rack.