Answer :
The technique is imagery, because her imagination made her feel like the descriptions we real. I hope this helped you.
The answer to your question would be that the technique the author is using is the following one: Imagery.
Imagery is a literary device that refers to using figurative language to represent objects, actions, and ideas in such a way that it appeals to our physical senses. In this case, the words read by Annie made her feel as if she was actually tasting the food.
