How to Make It
Preheat your oven to 350°F (175°C).
Spread the blueberry pie filling in the bottom of a baking dish.
Evenly sprinkle the dry cake mix over the blueberries.
Pour the lemon-lime soda over the cake mix without stirring.
Top with fresh or frozen blueberries and lemon zest if using.
Bake for 35-40 minutes until bubbly and golden.
Serve
Serve warm, dusted with powdered sugar if you like. Grab a spoon and enjoy the gooey goodness right from the dish!