By now, I mean right now. Tomorrow is ok (now is better!) but just don’t let it wait a week. Plan your menu for the entire holiday season at once, the earlier the better, from the first Rosh Hashanah meal to the last Simchat Torah seudah. Crazy Fact: There are at least 16 meals if you live in Israel and 20 meals if you live outside of Israel.
For help or inspiration (or both!) when it comes to High Holiday menu planning click on the following links: