Beat eggs until light and fluffy. Gradually beat in confectioners' sugar. Stir in melted butter. Sift together dry ingredients and salt. Fold into egg mixture with nuts and fruits. Spread in greased 9 x 9 x 2-inch baking pan. Bake at 325° for 30 to 35 minutes. Cut into bars; frost with butter frosting and top with candied cherries, if desired. Makes about 1 1/2 dozen.