Douglas Harper's Etymology Dictionary
spreadable
1940, from spread (v.) + -able.
Wiktionary
spreadable
a. Capable of being spread.
Usage examples of "spreadable".
He tried without success to interest Tony in the manufacture and distribution of cheeses, while various hostile conglomerates with nationwide control of packaged food vied for takeovers of this spreadable and very profitable product.
On a paper tray sat a pile of whole wheat crackers, a hunk of spreadable cheese and two individual-serving-size packages of chocolate pudding.
She picked it up, peeling the citrus-coloured strands of nylon carefully out of the spreadable Lurpak and trying not to think how long it was since she had last Hoovered.