Cinnamon Roll Cookies

For the Cinnamon Roll Filling:

1. In a medium bowl, cream together the butter, brown sugar, cinnamon, and salt until fluffy and pale.
2. Scoop small portions of the mixture onto a parchment-lined baking sheet and freeze while preparing the dough.

For the Cinnamon Sugar Topping:

1. Mix the granulated sugar and cinnamon in a small bowl and set aside.

For the Cookie Dough:

1. Preheat your oven to 350°F and line two baking sheets with parchment paper.
2. In a medium bowl, whisk together the flour, baking powder, baking soda, salt, and cream of tartar.
3. In a large bowl, cream together the softened butter, brown sugar, and granulated sugar until light and fluffy.
4. Mix in the egg yolks and vanilla extract until pale and fluffy.
5. Gradually add the dry ingredients to the wet ingredients and mix until combined.
6. Divide the dough into thirds and fold in portions of the frozen cinnamon roll filling balls.
7. Roll the dough into balls and coat them in the cinnamon sugar mixture.
8. Place the dough balls onto the prepared baking sheets and bake for 8 ½ to 10 minutes.
9. Shape the cookies with a round cookie cutter right out of the oven for perfect circles.
10. Let the cookies cool on the baking sheets for 5 minutes before transferring them to a wire rack to cool completely.

For the Cream Cheese Frosting:

1. While the cookies cool, prepare the frosting by mixing the cream cheese, powdered sugar, and milk until smooth.
2. Drizzle the frosting over the cooled cookies and serve!