Introduction Eating from out-of-home food outlets (OHFO) is common and linked to poor dietary quality, weight gain and obesity. In response, England implemented mandatory calorie labelling regulations in April 2022. The aim of this evaluation study was to examine pre–post changes in the energy content of menu items from large OHFO in England after the labelling policy.Methods Energy content of menu items from large OHFO in England was obtained using MenuTracker, a longitudinal database of o...