Yes.
Although the Chabad Custom is not to eat Matzah 30 days before Pesach (as the Rebbe writes in Igros Kodesh), it does not apply to Matzoh balls.
Yes.
Although the Chabad Custom is not to eat Matzah 30 days before Pesach (as the Rebbe writes in Igros Kodesh), it does not apply to Matzoh balls.