Buttery
/ˈbʌtəɹi/
adjective
Made with or tasting of butter.
“The buttery-tasting cookie was actually made with margarine, but you couldn't tell by tasting it.”
Resembling butter in some way, such as color or texture.
“The old paper was a buttery color you no longer get.”
Marked by insincere flattery; obsequious.
Synonyms: butterish, butterlike, butyraceous, butyric