Answer:
"... she settled over a meal of broken bones, a back alley Cleopatra."
Step-by-step explanation:
An allusion is a figure of speech where the speaker/ author talks about something without explicitly stating it. In short, it is a passing reference to an unrelated context, be it historical, mythical, literary, or even religious. And to understand an allusion, the reader needs prior knowledge about the reference.
In the given text, the allusion is found in the line "... she settled over a meal of broken bones, a back alley Cleopatra." This is an allusion to the character/ persona of Cleopatra, the historically famous queen of Egypt.