I met the young maid on the stairs with a blue mug; she was going for some milk to make a sack posset.
"She Stands Accused" by Victor MacClure
Cluffe hied straight to his lodgings, and ordered a sack posset.
"The House by the Church-Yard" by J. Sheridan Le Fanu
Add quarter of a pint of sack, three-quarters of a pint of ale and make a posset of it.
"Good Things to Eat as Suggested by Rufus" by Rufus Estes
Sack is sacred to Hymen; of it is made the nuptial posset.
"Three Hours after Marriage" by John Gay