Made only with 4 ingredients, this simple and easy peach blueberry dump cake takes no more than 5 minutes to prepare. Also, it is loaded with peaches and blueberries.
Spread the peach evenly in a 9-inch baking dish. Top the peach with the frozen blueberries.
Sprinkle the cake mix over the blueberries. Place the butter pieces on the top of the cake mixture.
Bake for 30-35 minutes then serve.
Notes
This peach blueberry dump cake stores very well. You can leave it at room temperature for 2 days, refrigerate for 3-4 days, or freeze in a freezer-safe container for a whole month.