Increase the heat and boil, stirring, for about 4 minutes, until the mixture has been reduced by about a third and is syrup-like and thick enough to coat the back of the spoon (it will look thick and frothy).
Khuphula izinga lokushisa bese ubilisa, ugoqoze cishe imizuzu emine inciphe inhlanganisela cishe ngengxenye yesithathu, ibe njenge-syrup futhi ishube ngokwenele ukunamathela ngemuva kokhezo (izobonakala ishubile ibe samagwetshana).