Hamwe no guteza imbere intego z’ubushinwa “karubone ebyiri”, kuzigama ingufu no kugabanya karubone mu nyubako birashimangirwa.Uturere twinshi twabujije cyangwa twabujije ikoreshwa ry’urukuta rwo hanze, urukuta ruto rwometse ku rukuta rwo hejuru mu nyubako ndende, hamwe n’urukuta rwo hanze rwashyizweho gusa na ankore yometse.Ibyiza bya sandwich yakozwe mbere yububiko bwuruhu rwimpu ebyiri (bakunze kwita urukuta rwuruhu rwombi rufite urwego rwimitsi) rugenda rugaragara.

Byakozwe mbere ya sandwich ikomatanyirijwe hamwe urukuta rwuruhu rwibice bibiri ni urukuta rwibice bigize urukuta rugizwe nibice bibiri byimbaho ​​zometseho ibyuma bisobekeranye byahujwe na connexion kugirango bikore urukuta rufite uruzitiro rwagati hagamijwe gukumira.Nyuma yo kwishyiriraho ahabigenewe, urwobo rwuzuyemo beto yasutswe kugirango rukore urukuta rufite imikorere yo gukumira.

Byakozwe mbere ya sandwich yometseho inkuta zuruhu ebyiri ntizisaba amaboko yoroheje, bigabanya neza ingorane zubwubatsi nigiciro cyubwubatsi.Bafite ibyiza nko kurwanya umuriro, kurwanya ibirimi by'umuriro, nta gukura gukomeye, hamwe no kubika ubushyuhe.