Pecan Pie Cake Bars

1 (18.25 ounce) box yellow cake mix
1 egg
1/2 cup melted butter
1 1/2 cups light corn syrup
3 eggs
1/2 cup dark brown sugar, packed
1 teaspoon vanilla extract
1 to 2 cups chopped pecans

Heat oven to 325 degrees F. Grease and flour a 9 x 13-inch pan.

Mix cake mix, 1 egg and melted butter until well blended. Reserve 2/3 cup of this batter. Spread remainder into prepared pan and bake for 15 minutes or until slightly browned.

Mix reserved batter with corn syrup syrup, 3 eggs, brown sugar, vanilla extract and pecans. Pour this on top of crust and bake about 50-60 minutes.