Heat oven to 350°F. Grease 9-inch square pan. Place bread mix in large bowl. With pastry blender or fork, cut in butter until mixture resembles coarse crumbs. Add egg; mix well. Reserve 1 cup mixture for topping. Press remaining mixture evenly in bottom of greased pan.
In small bowl, combine all filling ingredients; stir gently to mix (do not break up cream cheese). Spread filling evenly over base. With fingers, crumble reserved mixture and sprinkle evenly over filling; press lightly.
Bake at 350°F. for 30 to 35 minutes or until top is golden brown. Cool 1 hour or until completely cooled. Cut into bars. Store in refrigerator.