I recently read the same thing, warning against using paper bags for cooking and was thinking of mentioning it.
Originally Posted by
roguequilter
i used brown paper bags for turkeys etc for many years. cooking w oiled bag as described by elisbrat. but quit after being warned about fact that now a days, brown paper bags are made of recycled materials & contain unknown toxins ..should not be used for food preperation. i have never found a satisfactory substitute method. the brown paper bag produces such a moist, flavorful & perfectly browned turkey, chicken or whatever.