crust, combine cake mix, egg and oil in a medium bowl. Press mixture into bottom of a greased 9 x 13 baking pan. Bake 20 minutes. For filling, beat sugar, eggs, and salt in a large bowl until well blended. Beat in corn syrup, melted butter and vanilla. Stir in pecans. Pour over hot crust. Bake at 350 30 to 35 minutes or until brown around edges and center is set. Cool completely. Cut into 1 - 1/2 inch squares. Yield: about 3 dozen squares.