|In medium bowl, combine dried plums and apricot jam; set aside. Lightly spray 8-inch square baking pan with no-stick cooking spray. In large bowl, combine oats, sugar, flour, cinnamon, salt, and soda; mix well. Lightly beat together egg and buttter; add to oats mixture, mixing until crumbly. Press 2 cups of mixture into bottom of prepared pan. Spread dried plum mixture over oats; sprinkle remaining oat mixture over top. Bake at 350 degrees for 20-22 minutes or until deep golden brown. Cool in pan on wire rack. Sprinkle with powdered sugar, if desired; cut into 16 bars.