It showed that she wanted to make a good impression on him by buying him a meal.
It showed how she trusted in the place that Nick had chosen and she was putting her faith in him too in a way.
It showed how she was able to build a relationship with Nick and that they would be able to work well together in the future.
After a long and strenuous morning that was taken up by everything she had been busy with, it was especially good for her to eat something so filling and enjoyable.
It may not have been a fancy meal but it was still very nice for her after the many meals that she had been used to.
It did get quite tiresome to be living off canned food and other easy-to-make or stored food that did not have a short expiry date.
After swallowing her first mouthful, she quickly returned to the present situation. "So it will go like this..."