Place cinnamon rolls in a single layer in the bottom of a lightly greased 9 x 13" baking pan.
Stir brown sugar, cinnamon, heavy cream, and melted butter together and spread over top of cinnamon rolls.
Cover with foil and bake at 350°F for 30 - 45 minutes.
In a small mixing bowl squeeze store bought icing add butter, powdered sugar, splash of vanilla and 1 tablespoon of milk.
Mix together and add 1 tablespoon of milk at a time until it reaches your preferred consistency.
Allow the rolls to cool slightly and pour icing over top. Enjoy!
