https://www.sbs.com.au/food/article/2017/01/20/uncovering-origins-peri-peri-sauce says that it is South African per South African born chef Duncan Welgemoed
“Peri-peri chicken is South African in my opinion,” he contests. “It has its cultural resonance out of Portugal and Mozambique, but it’s done to the extreme by South Africans. All the best Mozambican chefs move to Johannesburg and showcase peri themselves, but it’s also so popular because of the large number of Portuguese living there.”
WHAT ABOUT HERE…..
A quick google search for peri peri cuisine in the area brings us the following
Depending on which side of the river you are on, your options a limited on one side and very many on the other side. A quick survey of folks that have heard of this cuisine brings out 3 names Peri Peri Grill House in Brooklyn, NY, Frangos Peri Peri in Manhattan, NY and Tribos Peri Peri in NJ. Good reviews on Yelp with a few bad ones. But Yelp is only as good as the local yelpers so we’ll do our own investigation.
more to come