Rabbi Avrohom Baruch Zachariash teaches the halachas of Yom Tov with the Mishnah Berurah (O.C. 527).

Continues with Hilchos Eiruv Tavshilin (E.T.)

00:15 527:8 No need to mention names for an E.T.

00:44 Does the person making Kiddush have to have everyone in mind?

05:30 Does an E.T. help for a person who does not keep the Torah?

07:40 Are chestnuts a problem of Bishul Akum?

23:20 Only permissible to cook on Friday for Shabbos, and not on Thursday.

26:48 Making a statement that lasts forever halachically

37:15 You can eat the eiruv after the food has been cooked.