Special foods include potato pancakes (latkes) and jelly donuts (sufganiyot). Also, any foods fried in oil are traditional. There are no special drinks.
Anything you want. There are no traditional drinks for Hanukkah.
While Hanukkah is a religious Jewish occasion with special blessings and added prayers, it has no special clothing associated with it. Some families like to dress up in the evenings, for the candle lighting, but most families do not.
Some families, do, but it's not very common.
food and drinks
There is no such thing as "Hanukkah Day". Hanukkah lasts 8 nights and 8 days, and it is celebrated in the home; plus special prayers are added to the daily synagogue services, and some synagogues and Jewish schools have parties.
CucumberLollypopBroccoliMushroomPorkchopSandwichTortilla
Strawberry.
corn
Not all casinos provide free drinks or food but some do. I do not know if grosvenior casino does but you could call them and ask if they allow food and drinks for free.
There is no specific Hanukkah party. Some people have parties on Hanukkah and some don't. If there is a party on hanukkah, it can be on any one of the 8 nights, at any time.
BlueberryHamburgerMilkshakeNectarineRaspberrySpaghetti
Not really, no.