It is ground down like a coarse flour and the meal is cooked into a thick dough like porridge and served with a meaty and veg stew.. That is the staple diet in Africa. Also used as green mealies like sweetcorn on the cob, or cooked on hot coals whilst sitting around the fire having a beer drink, also as cattle food where the whole dry stalk and cob is all milled up and made into a feed, also used to make silage same like in the UK..
On our farm in Zimbabwe we grew about 400 acres of maize each year along with cotton and tobacco.. We had 1200 acres under plough.