Garlicky Mexican Chicken with Ancho Peppers and Crispy Polenta

Chicken breast(s), boneless skinless

Cilantro, fresh

Radish(es), medium fresh red

Scallion(s), medium

Tomato sauce, canned

Unenriched white cornmeal to make polenta

Clove(s)

Table salt

Spray(s) cooking spray

Cumin, ground

Item(s) dried ancho pepper(s) stems removed and seeds shaken out