Combine cookie crumbs and melted butter; stir well. Press mixture into a lightly greased aluminum foil-lined 13- x 9-inch baking pan.
Bake at 350° for 10 minutes.
Sprinkle chopped candy bars and next 4 ingredients over crust. Combine egg and condensed milk; pour over chocolate morsels.
Bake at 350° for 30 to 35 minutes. Let cool completely. Cut into bars.
Note: For testing purposes only, we used Hershey's Cookies 'n' Creme candy bars.
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