Preheat oven to 350 degrees.
If not using Doughmakers Baking Sheets, line baking sheet(s) with parchment paper. Set aside.
Using a stand mixer with a paddle attachment or a hand mixer, beat butter and vegetable shortening until combined.
Add granulated sugar and dark brown sugar and beat until light and fluffy.
Drop in eggs, one at a time, and beat until combined. Pour in vanilla extract and beat until incorporated.
Add flour, baking powder, cinnamon and salt and beat until a soft dough forms.
Use a cookie scoop and gather up dough, roll into balls and drop onto baking sheet.
Gently press down on each dough ball to flatten into 1/2 inch thick, circular disks.
Bake cookies for 9-11 minutes or until the cookies are starting to turn a slight golden brown on the bottom and along the edges.
Remove from oven and let sit on the baking sheet for about 2-3 minutes.
Then move to a wire rack and cool completely.