Pecan Pie Surprise Bars

1 pkg. yellow cake mix
1/2 cup melted butter
1 egg
1 cup chopped pecans

Filling:
2/3 cup reserved cake mix
1/2 cup packed brown sugar
1 1/2 cups Karo (lite or dark)
1 tsp. vanilla
3 egggs

In bowl combine: cake mix (minus 2/3 for filling) egg and butter. Mix until crumbly. Press into greased pan (13 X 9 inches) and bake at 350 degrees for 15-20 minutes.

Mix filling together and beat 1-2 minutes at medium speed. Pour over crust. sprinkle with pecans and return to oven for 30-35 minutes longer. Cool and cut into bars.