Take a fresh Penny Bun (Boletus edulis) and, retaining the stem as well as the cap, slice it vertically into slabs 5 or 6mm (half and inch) thick.
Penny Bun or King Bolete (Boletus edulis) is a very fine edible mushroom.
They do not expect us to pay tuppence for a penny bun.
Edible varieties such as penny buns, chanterelles and field mushrooms - along with dozens of others - can be foraged from Britain's forests and fields.