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.
That’s absolutely incorrect. Watermelon, and other red things are served because the slave diet consisted of mostly bland colors. Many red things are served, including red velvet cake and drinks that are red. Fried chicken and bbq chicken are also served as well as many other soul food dishes.
https://heysistah.com/juneteenth-freedom-day/