Some Christian denominations place the origin of the Eucharist in the Last Supper of Jesus with his disciples, at which he is believed to have taken bread and given it to his disciples, telling them to eat of it, because it was his body, and to have taken a cup and given it to his disciples, telling them to drink of it because it was the cup of the covenant in his blood.

The Anaphora, Eucharistic Prayer, or Great Thanksgiving is a portion of the Christian liturgy of the Eucharist in which, through a prayer of thanksgiving, the elements of bread and wine are consecrated. The prevalent historical Roman Rite from is called the "Canon of the Mass."