I guess you'd call it a condiment, called rajas con crema, which is Poblano peppers that you place right on the grate of your stove and fire roast them and just blacken them entirely.
我猜你会叫它调味品,它叫做 rajas con crema,是波布拉诺辣椒,你把它放在炉子的格栅上,火烤它们,让它们完全变黑。
英语百科
Poblano
The poblano (Capsicum annuum) is a mild chili pepper originating in the state of Puebla, Mexico. Dried, it is called ancho or chile ancho, from the Mexican Spanish name ancho ("wide") or chile ancho ("wide chile"). Stuffed fresh and roasted it is popular in chile rellenos poblanos.