A winning combination of popular flavors will guarantee this dessert is a big hit!
Preheat oven to 350F.
Grease a 9×9 square dish with butter and set aside.
In large bowl, combine the brownie mix with eggs and butter and stir to combined. Stir in chocolate chips.
Pour into prepared pan and smooth the top and place into the preheated oven.
Bake for 25-35 minutes or until toothpick comes out clean when inserted.
Cool completely on a wire rack.
Using an electric beater, beat the cream cheese and butter together until light and fluffy.
Stir in remaining ingredients and whip until smooth.
Scrape down the sides and whip again.
Spread frosting mixture over top the cooled brownies.
Top with crushed Oreos and gently pat down the oreo crumbs to set them into the frosting.
Cut into squares for serving.