Pecan Pie Surprise Bars
["1 (18 1/2 oz.) pkg. yellow cake mix", "1/2 c. melted oleo", "4 eggs, divided", "1/2 c. packed brown sugar", "1 1/2 c. dark corn syrup", "1 tsp. vanilla", "1 c. chopped pecans"]
["Set aside 2/3 cup cake mix.", "Combine remaining cake mix, oleo and 1 egg in a large bowl.", "Mix with fork until crumbly.", "Press crumbs into greased 9 x 13-inch pan.", "Bake at 350\u00b0 for 15 to 20 minutes."]
["yellow cake", "oleo", "eggs", "brown sugar", "corn syrup", "vanilla", "pecans"]