Originally Posted by
JOUY31
You should go early, as the ice cream bars tend to disappear quickly

In less than 5 minutes, from my personal experience. They are at passengers' disposal in the rear galley.
Originally Posted by
santamonica
In 777s the middle "galley" won't have ice creams, only (nice) sandwiches and soft drinks. Walk around the rear galley area a few hours after the lunch service to inquire about the time the crew will hand out ice cream bars.