I just learned that some Catholics use olive oil as a preparation step before baptism. Apparently, olive oil is very important for many different religions, for ceremonies and health benefits.
All of the Abrahamic religions mention olive oil as being blessed and to have healing properties. My Hindu and Buddhist friends have told me that they also burn olive oil in lamps for religious ceremonies and prayers.
It's so interesting to learn that something I have in my kitchen cabinet is an important religious symbol and has a long history.
Do you know of any other religions that use olive oil?