Preheat oven to 375 degrees. Spray 9x13 pan with cooking spray.
Mix together the sugar cookie mix. Then once combined, press the mix into the bottom of the pan.
Sprinkle the Milky Way bars and chocolate chips on top of the dough. Then pour the condensed milk evenly over the top of the mixture.
Bake for 25 - 30 minutes, or until top is golden brown.
Let cool and then cut bars into squares. Serve and enjoy!