the meat, vegetables and desserts that were available ( a famous cook called Apicius wrote a cookbook at about the time these events occurred, using ordinary ingredients as well as expensive ones; you might want to locate this book and consult his recipes)
As far as the Jerusalemites were concerned, Jesus and his friends were a group of provincial dissidents from Galilee. Judas, on the other hand, was from Jerusalem. So what was he doing with Jesus? And why did he object to Mary anointing the feet of Jesus?