Mix chopped cookies with flour and butter.
Stir in Chocolate chips and set aside.
Prepare cake mix according to package directions.
Pour half the batter into a greased Bundt pan.
Sprinkle 2 cups of cookie mixture evenly over batter.
Top with remaining batter and then cookie mixture,
pressing cookies gently into batter.
Bake at 350F for about one hour (test it first).
Cool in pan for a couple of minutes and
then invert cake and let cool completely.
Mix powdered sugar and milk and
drizzle over coffeecake.