The minhag of Yerushalyim is to take Challah off without a Bracha if the dough is 1.2 kg and to remove Challah with a Bracha if the dough is 1.666 kg. [1]
References
↑ Halichot Shlomo (Moadim vol 2 pg 338 note 54) writes that this was the minhag in Rav Shlomo Zalman’s house and that of Yerushalyim.
