Ngesidlo sakusihlwa sangaphambi kukaKhisimusi ngoDisemba 24, kuvamile ePortugal ukuphaka UBolo Rei, okuyikhekhe lendabuko elidliwa ngoKhisimusi kuze kube yiDos Reis Dia (ngokwezwi nezwi elithi Three Kings Day, okuyireferensi yamakhosi amathathu) ngoJanuwari 6. Ikhekhe uqobo lwalo luyindilinga nomgodi omkhulu phakathi nendawo, ofana nomqhele ombozwe ngezithelo ezomisiwe nezomisiwe.
IBolo Rei ibhakwa kusuka enhlama ethambile, emhlophe, enamagilebhisi omisiwe, amantongomane ahlukahlukene nezithelo ezithandwayo. Isici "sikabhontshisi" naso sifakiwe, futhi isiko lisho ukuthi noma ngubani othola ubhontshisi kufanele akhokhele iBolo Rei ngonyaka ozayo.
Kuyisiko futhi ukukhonza fatias douradas, rabanadas noma fatias de calving, elenziwa ngezicucu zezinkwa (uma kunzima ukudliwa ngokujwayelekile) zifakwe obisini noma emanzini ukuze zithanjiswe, zifakwe emaqandeni bese zithosa inani elincane kakhulu lamafutha yemifino (ukugwema lokho kumuncwa futhi iba ngamafutha kakhulu).
Ngemuva kwalokho zifafazwa ushukela nesinamoni, zifakwe kwisiraphu eyenziwe ngamanzi, ushukela, isinamoni nekhasi likalamula noma ethekwini noma ewayinini leMadeira. Kuvamise ukudliwa kubanda njenge-dessert noma isidlo.
Futhi iPortugal ekubeni iyizwe elingasogwini, isidlo sakusihlwa sikaKhisimusi asikaze siswele izinhlanzi empeleni okuyiyo ikhodi njengesitsha esikhulu, kuphakwa nososo, amazambane, amaqanda noma imifino. Kumele kuqashelwe ukuthi i-cod evela enyakatho yePortugal ithandwa kakhulu kule mikhosi.