In a large bowl, cream shortening and sugars until light and fluffy. Beat in egg and vanilla. Combine the flour, salt and baking soda; gradually add to the creamed mixture until blended. Fold in the chocolate chips and pecans. , Set aside a third of the dough for topping. Press remaining dough into a greased 13-in. x 9-in. baking pan. Bake at 350° for 8 minutes., Meanwhile, in a small bowl, beat cream cheese and sugar until smooth. Beat in eggs and vanilla. Spoon over crust. , Drop teaspoonfuls of reserved dough over filling. Bake at 350° for 35-40 minutes or until golden brown. Cool on a wire rack. Cut into bars. Cover and store in the refrigerator.