Actually being pedantic crack comes from baking
the dried residue of the Coca plant. So in effects crack is entirely synthetic.
(
maiden is filmed before a live studio audience,
Fri 19 Dec 2003, 15:48,
archived)
"baking"
is a slight simplification
although if you've got a delia baking recipe for crack we could be very rich indeed
(
Dr. Shambolic je suis charlie,
Fri 19 Dec 2003, 16:06,
archived)