A bag for storing and preparing food, includes a bag body including two sheets having edge regions and being sealed together at least partially along a plurality of the edge regions to present edge seals and a bag opening at one end of the bag. Each sheet comprises a composite material including a plastic inside layer suitable for making contact with the food and an outside layer of paper or metal foil.

A self-standing container for holding and pre-soaking a cooking plank in a soaking liquid includes flexible walls forming a bag-like container with a chamber to receive the plank and the liquid. The container includes a deployable standing structure to enable the container to be placed in an upright position to conserve counter space. The container with a plank and liquid may be packaged for retail sale and later reuse.

A device for supporting and flavoring a food during cooking, such as grilling, baking or roasting, including a packaging structure with an interior; and a wooden plank removably located within the packaging structure interior; wherein the wooden plank includes a quantity of liquid such as water, broth or juice. The wooden plank is made of a food-safe wood, such as but not limited to oak wood, maple wood, pine wood, cedar wood, alder wood, cherry wood, hickory wood or ash wood. The wooden plank is pre-soaked in the liquid, such that the wooden plank smolders during the cooking process, thereby smoking the food. The pre-soaked wooden plank is packaged, so that is will not dry out substantially before use by the user.

A grilling plank assembly includes a substantially liquid impervious bag, a grilling plank positioned within the bag, a soaking liquid positioned within the bag of a quantity to substantially immerse the plank therein, and the bag having a rupturable seal to secure the plank and liquid therein and to enable selective opening to remove the plank therefrom and thereafter resealing of the bag. The bag may be provided with more than one planks, with separator devices separating the planks within the bag.