They used to have it everywhere in the 80s. It was really hard to find anywhere that didn't automatically bring it to the table, whether you wanted it or not.
Came in three colours, red, yellow & green, all equally vile. Douglas Adams had a fair bit to say about them in his book The Meaning of Liff. Unless you skipped through to read the qv it took you all the way to S to finally figure out what he was talking about.

Buldoo (bul-DOO) n.
A virulent red-colored pus that generally accompanies clonmult (q.v.) and sadberge (q.v.).

Clonmult (clon-MULT) n.
A yellow ooze usually found near secretions of buldoo (q.v.) and sadberge (q.v.).

Sadberge (SAD-berdj) n.
A violent green shrub which is ground up, mixed with twigs and gelatin and served with clonmult (q.v.) and buldoo (q.v.)in a container referred to for no known reason as the “relish tray.”