Blueberry Cinnamon Roll Casserole

1 can cinnamon rolls, cut into pieces into 8x8 dish

Pour 1 cup thawed blueberries over

In a bowl mix:
1/3 cup brown sugar

5 T butter,melted

Pour over and

Bake 350 for 25-35min.
Remove from oven and pour icing (from package) over all