What is eaten during a holiday depends on the holiday.
Some important holidays and their corresponding foods:
Passover: Matzah (Unleavened Bread), Lamb Shank, Boiled Egg
Rosh Hashanah: Honey, Apples, Cow Head or Tongue
Yom Kippur: Fast Day
Hanukkah: Latkes (Potato Pancakes), Sufganyot (Jelly Donuts)
Rosh Hashanah.
The same foods everyone else ate.
Yes. Hanukkah does not add any food rules.
Foods that Jewish people cannot eat are known as 'non-kosher'.
Passover is not a time of fasting, so Jewish people can eat during the middle of the day during Passover.
There's no such thing as Hanukkah people. Hanukkah is a holiday that is celebrated by Jewish people. During Hanukkah, we customarily eat latkes (potato pancakes) or jelly donuts.
no
No.
Judaism does not specify when people should eat.
Yes.
some do
yes