Grilling, roasting, boiling, etc are used to describe different types of cooking. Is there a verb to describe cooking (usually potatoes) under a pile of hot ash? We do this sometimes outdoors in the wild. After making the fire and letting it burn down a little, we put potatoes under hot charcoal. Some wrap it in a foil tight and then put it under.
Don't [the verb] the potatoes. I want them fried.
Informal words are also welcome because I personally don't know of an established word to describe this in even a neutral way in my own native language so I figure in English it might be the case too. However I can think of a word in a dialect of my native tongue which is not shared by all native speakers in my country.