Slow Cooker Lemon-Blueberry Cake

This is so easy and so, so delicious!  The combination of lemon cake and blueberry filling is absolutely perfect.  You may serve it as is (simply delicious!) or with some whipped cream or vanilla ice cream.  Enjoy!

Ingredients:
-butter flavored cooking spray
- 2 (15.25 oz each) cans blueberry pie filling
-1 stick (1/2 cup) unsalted butter
-1 (15.25 oz) box lemon cake mix
Directions:
Coat the bottom and sides of the slow cooker with the butter flavored cooking spray.  Add the pie filling and spread it evenly.
Melt the butter and pour it in a bowl.  Add the dry cake mix. Stir mixture until well incorporated and crumbly.  Spread it evenly on top of the blueberry filling.
Cover and cook on LOW for 4 hours.
Dish up and enjoy!