In a medium bowl combine the filling ingredients and mix them together using a hand mixer or stand mixer. This will take about 3 minutes. The mixture will be thick and seem like it isn't going to come together but will eventually become smooth. Using a small cookie scoop, scoop mounds of frosting onto a wax or parchment lined pan and place in the freezer for at least an hour and up to 2 days. Before you are ready to use them, take the balls out of the freezer and roll them into a nice round ball. Place back into the freezer until ready to use.
Chocolate Cake Mix Cookies
Preheat oven to 350 degrees. Once the cream cheese filling has chilled, combine all of the cookie ingredients in a medium bowl, combine using a hand held mixer {or by hand} until everything is well incorporated. On a greased cookie sheet, use a medium cookie scoop and scoop mounds of dough onto a silicone mat {or parchment} lined baking sheet. Use the back of the scoop and create a divot in the middle of each cooke, place a ball of cream cheese frosting in the middle of the dough. Take an additional tablespoon or so of dough {I used a small cookie scoop} and mold it into a thin round disc. Place it over the top of the cream cheese frosting and press to cover the frosting completely. Bake for 11-12 minutes, being sure to not over bake. Let the cookies cool on the sheet for at least 5 minutes before moving them to a cooling rack.
Once the cookies are completely cool, sprinkle your chocolate cheesecake cookies with additional powdered sugar. Store in an air tight container at room temperature.
Notes
*The powdered sugar sprinkle will disappear into the cookie if you store them in an air tight container but that is the best way to keep them fresh. To serve, just add an additional sprinkle of powdered sugar and eat.