Sweet lord, do I love ridiculous magyck episodes.
I can't imagine any cat would really drink that "wish milk". They tend to have more sense than that.
Although, for the record, Santeria is an afro-diasporic religion that combines African, Central American and Catholic religious traditions. Like in hoodoo and a lot of other African-derived folk traditions in the Americas, magical "workings" and the like are pretty common. (The more you know ~☆)