The Australian population is ageing. In 2014, the proportion of people aged 65 years and over had increased from 11.8% in 1994 to 14.7%, whilst those aged 85 years and over had almost doubled (from 1% to 1.9%). 1 This demographic trend places a financial burden on the health-care system, resulting in active encouragement for older people to avoid institutional care and remain in their own homes for as long as possible. [2][3][4] This option is also preferred by the majority of older people, as it allows them to maintain their independence. 4 To maintain good health and functional independence, adequate nutritional intake is critical. 5 However, it is currently estimated that 5%-8% of community-living older Australians are malnourished, while an additional 35%-39% are at risk. 6 Undernutrition is caused by a dietary deficiency of energy and/or nutrients, 7,8 which may result from issues such as poor appetite, social isolation, food insecurity or increased requirements. It can have major consequences for older people, including reduced ability to perform daily activities, prolonged recovery times, increased risk of chronic disease and increased mortality rates. 6,8 Meals on Wheels (MOW) services are community-based organisations that provide nutritious meals and social contact to vulnerable community members who are unable to prepare their own food. 3 The organisations collectively deliver over