– unsalted butter softened – granulated sugar – brown sugar – real pumpkin puree – egg – oil – milk
Preheat the oven to 350 degrees F and line a cookie sheet with parchment paper or a silicone baking mat. In the bowl of a stand mixer, cream the butter and sugars, until light and fluffy.
Mix in the egg, pumpkin puree, oil, milk, cream of tartar, vanilla, salt, baking soda, and pumpkin pie spice until well incorporated. Gradually pour in the flour, mixing as you add.