Grease a 9x13 casserole dish or cake pan. Set aside ... stir together blueberries, lemon juice, sugar and corn starch. Pour blueberry mixture onto the bottom layer. Sprinkle the remaining oat ...

Cool in pan 10 minutes before removing to wire rack; cool completely. In a small bowl, mix confectioners' sugar and lemon ...

As much as we love blueberry muffins from scratch, making blueberry muffins with cake mix is easier and just as good! I based ...