Educators' practices changed when developing and teaching a Massive Open Online Course (MOOC) on their interdisciplinary field. Before the MOOC, educators had a nascent understanding of open educational resources (OER) and saw MOOCs primarily increasing access. After teaching, educators reflected on structuring content and fostering online learning communities. They also planned to incorporate MOOC insights, like community-building, into traditional courses. The MOOC experience prompted educators to reconsider their teaching practices.