Malnutrition remains a major public health challenge in Tanzania, driven by complex factors such as water stress, gender inequality, and poor access to services. Irish Aid in Tanzania supports nutrition through a multisectoral approach to address nutrition-sensitive and specific challenges in regions of focus. After the first case of Covid-19 was reported in Tanzania, Irish Aid adapted a two-pronged approach to ensuring continuity of nutrition services before and during the Covid-19 pandemic. Through adapting its existing partnerships and engaging new partnerships, Irish Aid contributed to (1) mitigating the impact of the pandemic in Tanzania, and (2) safeguarding essential services, including nutrition. This article summarises Irish Aid’s approach and provides recommendations for building back better.Irish Aid