In this interview, Dr. Anna Salonen explains how ethics is being involved in her studies of food waste and consumption by both religious and non-religious populations that live in affluent societies, such as Finland and Canada. Also, Dr. Anna Salonen describes to Mariia Alekseevskaia how and why studying food in its interconnection to religious practices or daily experiences contributes to better understanding of human being as well as our relations with nonhuman animals and nonhuman world. Lastly, Dr. Salonen shares some tips and suggestions for those who are interested in interdisciplinary research, where food is one of key themes.