Being far lazier (and messier) than SS, and not owning a passata maker (yet ;D) I chopped the toms and cooked them down a bit, threw the vinegar, dates and raisins in at that point (all uncooked), used honey instead of sugar, didn't blitz the ingredients down...
and it's still turned out delicious!
;D
(((supersprout))) for a brilliant -- and very robust! -- recipe.