 The matriarch or the youngest woman of a household is traditionally the person who initiates the buna and begins the process of preparing the coffee beans to be brewed in the jebena.Coffee beans are washed, roasted and then ground by women, and often mixed with spices before the coffee begins to be brewed.After the beans have been roasted and ground, which can take up to forty five minutes, the coffee is brewed in the jebena and served in three separate stages.