Disclaimer: I am not trolling, I am an autistic person who doesn’t understand so many social nuances. Also I am from New Hampshire (97% white), so I just don’t have any close African-American friends that I am willing to risk asking such a loaded question.
What if they ask him to bring watermelon and chicken to the cookout? ;-)
Make sure you can go wide eyed enough that they start laughing if they were just razzing you