Sweet Chestnut.
Includes Quercus (oak), Fagus (beech), Castanea (sweet-chestnut).
Try making them a bit more exciting by serving them with crispy bacon, crispy cheese crumbs or sweet chestnut crumble.
The shank is sweet chestnut with the bark stripped off.
In addition to large stands of fast-growing conifers, there is extensive sweet chestnut coppice.