A food container includes a bottom panel and sidewalls pivotally connected to the bottom panel. A lid is pivotally connected to at least one sidewall to open and close the food container. A divider panel having at least one slot is inserted into any one of a plurality of slots in a spacer panel to create an adjustable compartment arrangement inside an internal cavity of the food container. The divider panel includes a groove that provides a recess between the divider panel and a sidewall of the food container that can accommodate a lip of the lid.