Gras is a French term used to describe the process of force-feeding ducks and geese in order to produce a delicacy known as foie gras. Foie gras, which translates to 'fat liver' in English, is made from the livers of ducks or geese that have been fattened through gavage, a process of force-feeding them with a tube. Mardi Gras is a traditional French holiday celebrated on the Tuesday before Ash Wednesday, which marks the beginning of Lent. Pâte de foie gras is a type of pâte made from the livers of ducks or geese that have been fattened through gavage. It is a popular dish served during Mardi Gras celebrations.