In a large bowl, combine the first eight ingredients; beat until crumbly. Press into an ungreased 9-in. square baking pan.
Bake at 350° for 25-30 minutes or until set. Cool for 5 minutes. Meanwhile, in a small bowl, combine chocolate chips and peanut butter; stir in cornflakes. Gently spread over top. Let stand until set. Cut into bars. Yield: 1-1/2 dozen.