Blueberry Dump Cake

Directions

1. 1
   Preheat oven to 350 degrees F.
2. 2
   Coat a 9x13 pan with non-stick cooking spray.
3. 3
   Empty blueberry pie filling into pan.
4. 4
   Drain pineapple.
5. 5
   Empty drained pineapple onto blueberry mixture and spread evenly.
6. 6
   Pour dry cake mix over mixture and spread evenly.
7. 7
   Cut butter into pieces and spread evenly over top of cake mix.
8. 8
   Bake for 1 hour.