with cupcake liners; set aside.
in a medium bowl, combine the flour, cinnamon, baking powder, and salt; set aside.
in a large bowl, or the bowl of a standing mixer, cream the butter and sugar together until light and fluffy. add the eggs, one at a time, until just combined then stir in the vanilla and oil. sprinkle 1/3 of the flour mixture over the butter mixture and gently stir in until barely combined. add half of the milk, mixing until just combined. repeat these steps with the remaining flour mixture and milk, ending with the flour. do not over-mix.
fill each cupcake tin with 2 tablespoons of batter, or until the cupcake 