2 cups coarsely chopped Oreo cookies (about 18-20 cookies)
1 cup milk chocolate chips
Preheat oven to 350 degrees and line a baking sheet with parchment paper.
In the bowl of stand mixer fitted with the paddle attachment, beat together the cream cheese and butter until light and creamy, about a minute. Add the brown sugar and egg and beat on medium-low speed for 3 minutes until pale and fluffy. Beat in vanilla.
In a medium bowl whisk together flour, milk powder, baking soda, baking powder, and salt until well combined.
Add in the dry ingredients and mix until combined. Fold in the chopped Oreos and milk chocolate chips.
Cover in plastic wrap and refrigerate for at least 1 hour.
Spoon out 2 tablespoons of dough for each cookie. Bake the cookies for 11-12 minutes and let cool.