Preheat the oven to 350 degrees F.
Pour the cherry pie filling in the bottom of a 9x13-inch baking dish.
Sprinkle the cake mix (dry) evenly over the top of the pie filling.
Slowly pour the 7-up over the cake mix.
Place the baking dish in the oven and bake for 45 minutes at 350 degrees F.
Serve warm with ice cream or whipped cream.
