Red, White & Blue cake

Red, White & Blue cake
by LynAnn

1 can (21 oz) cherry pie filling
1 package (12 oz) frozen blueberries, thawed & drained or 2 1/2 cups fresh blueberries
1/4 teaspoon ground cinnamon
1 package (about 15 oz) white cake mix
3/4 cup butter, cut into thin slices

1- Preheat oven to 350 degrees. Spray 13x9 inch baking pan with nonstick cooking spray.
2- Spread cherry pie filling & blueberries in prepared pan; sprinkle with cinnamon. Top with cake mix, spreading evenly. Top with butter in single layer, covering cake mix as much as possible.
3- Bake 45 to 50 minutes or until toothpick inserted into center of cake comes out clean. Cool at least 15 mins before serving.