me and my friends did that at school in the cooking class. we made the bud butter at home and got like 5 other groups to put sum reular brownies on the plate she was very calm for the rest of the day. she usaly yelling at us. but sum fagget seen me putting green butter in the mix and told her later that day. we all fucking got suspend. but we all live like hell close so we just got high every day we werent in school