Burch, who started working on the show in 2011 and has performed it - off and on - since 2013, says it combines her own experiences with wider social narratives. There's strong language and even audience participation.
"I am honest in talking about my own experiences but there's also the audience participation ... which I know can be scary, but it's really the best way to engage with the themes, to make it funny and engaging."
Last year, Tar Baby received a Fringe First Award for new writing at the Edinburgh Fringe and it was shortlisted for the Amnesty International Freedom of Expression award. The Los Angeles-born, New York-trained comedian, actor and writer also won the 2015 Funny Women Stage Award for stand-up.
Now living in London, this is her first trip below the equator.
Preview
What: Tar Baby
Where & when: Spiegeltent, NZ Herald Festival Garden, March 3, 4 and 6; Te Pou, March 5.