Directions:

Preheat oven to 350 degrees F

In a mixing bowl, cream butter and brown sugar until smooth. Add egg; mix well.

Gradually add dry cake mix and cornflakes; set aside 1 1/2 cups for topping.

Press remaining dough into a greased 13 x 9-inch baking pan. Carefully spread jam over crust. Sprinkle with reserved dough; gently press down.

Bake for 30 minutes or until golden brown. Cool completely on a wire rack. Cut into bars.