The fungus is cut into slices and then steeped in a solution of nitre.
It was the universal custom in medieval England to eat on this Sunday a grey pea steeped and fried in butter, which came from its association "Carling Nut."
These are steeped in water from the mineral springs until they become encrusted with a calcareous deposit which gives them the appearance of fossils.
By nature it is a sun-steeped southern region, the home of the vine and olive, of the minstrelsy of the Provençal and the exuberance of Tartarin, distinct from the colder and more sober north.
The addition of a little of the acid to glue renders it more tenacious; skins to be used for making leather do not undergo decomposition if steeped in a dilute solution; butter containing a small quantity of it may be kept sweet for months even in the hottest weather.