A food jar is described that may be used to store and transport food items. The food jar includes a container, a lid, and a vent. As the lid is unscrewed from the container, the vent opens to equilibrate air pressure within the container with the atmosphere. The vent relieves high and low pressure within the container. The food jar may also include stopper with a vent. The stopper may include an upper and a lower stopper that form the vent.