Buttery

like, containing, or spread with butter.
resembling butter, as in smoothness or softness of texture:
a vest of buttery leather.
grossly flattering; smarmy.
Chiefly New England. a room or rooms in which the provisions, wines, and liquors of a household are kept; pantry; larder.
a room in colleges, especially at Oxford and Cambridge universities, from which articles of food and drink are sold or dispensed to the students.
Contemporary Examples

What to Eat Cookstr.com June 29, 2009
5 Recipes From a Top Chef Master Cookstr.com April 5, 2010
Champagne: You’re Drinking It All Wrong Kayleigh Kulp December 19, 2014
What to Drink When it’s Cold? The Glory of Austrian Schnaps Jordan Salcito January 24, 2014
The Cronut Gives Way to the Penis Pretzel Tim Teeman August 6, 2014

Historical Examples

Nineteen Centuries of Drink in England Richard Valpy French
The Universal Reciter Various
Sweet Cicely Josiah Allen’s Wife: Marietta Holley
The English Husbandman Gervase Markham
Passages From The American Notebooks, Volume 1 Nathaniel Hawthorne

adjective
containing, like, or coated with butter
(informal) grossly or insincerely flattering; obsequious
noun (pl) -teries
a room for storing foods or wines
(Brit) (in some universities) a room in which food is supplied or sold to students
adj.
n.