sentences:  The cheese is referred to by the government enquiry into agriculture chaired by Stefano Jacini in 1877–1882 and remained very popular until the 1990s.In the first decade of the twenty-first century it enjoyed something of a revival and was included in the Ark of Taste catalogue of heritage foods.The ricotta is placed in moulds to drain and then transferred to wooden vats to ferment, usually with the addition of salt.