Abstract: The present invention provides a self-opening foldedly formed disposable container said container being lined with a heat and oil resistant hydrophobic material to store and prepare a frozen dough product, said product being pre-proofed. The ovenable container is composed of essentially a rectangular shaped box portion and enclosing said box portion is a pair of like-sized adjacently abutting closure panels, said closure panels, the closed container providing elevated humidity in relation to temperature, opening upwardly and outwardly in response to the mechanical force of the rising dough product, exposing the uppermost area of said product to the oven's environment, said exposure resulting in a golden brown appearance.