Pecan Pie Bars II Be The First To Review By Anonymous recipe Quick and easy holiday treat. Originally submitted to ThanksgivingRecipe.com. Pecan Pie Bars II Ingredients 1 (18.25 ounce) package yellow cake mix1/2 cup margarine, softened1 egg3 eggs1 teaspoon vanilla extract1 1/2 cups dark corn syrup1/2 cup packed brown sugar1 cup chopped pecans2/3 cup yellow cake mix Instructions 1 Preheat oven to 350 degrees F (175 degrees C). Grease a 9×13 inch pan. 2 Reserve 2/3 cup cake mix. 3 Mix together remaining cake mix, margarine, and 1 egg. Pat in prepared pan. 4 Bake at 350 degrees F (175 degrees C) for 15-20 minutes or until golden brown. 5 Beat together 3 eggs, vanilla, reserved 2/3 cup cake mix, corn syrup, and brown sugar. Pour on cake in pan. Sprinkle pecans on top. 6 Bake at 350 degrees F (175 degrees C) for 30-35 minutes.