Preheat oven to 350 degrees. Grease and flour a 10" Bundt pan set aside.
In a mixing bowl or bowl of a stand mixer, combine cake ingredients and mix until completely combined. Pour into prepared Bundt pan, gently tap pan on counter to release air bubbles in batter. Bake 40-45 min or until toothpick inserted comes out clean. Remove from oven and allow to cool for 10 minuets. Invert cake on plate or serving platter to finish cooling.
Frosting
In bowl of stand mixer beat cream cheese, powdered sugar, vanilla,pumpkin spice and milk until smooth and creamy.
Put frosting in pastry bag and decorate cake with frosting. Sprinkle with sprinkles if desired.