Adequate food is a fundamental human right and a prerequisite for a healthy life for all, including people with intellectual disabilities (Kolset et al. 2018; United Nations 2006). However, obesity and malnutrition are prevalent health challenges in this population for many reasons (Flygare Wallen et al. 2018; World Health Organization 2011).

People with intellectual disabilities having varying degrees of impaired intellectual and cognitive skills, which create challenges in many aspects of life and entail a greater reliance on staff for nutritional and dietary issues (World Health Organization 2011). Managers and staff working in municipal care homes for adults with intellectual disabilities significantly influence the residents' diets.