emin-j,
adding the "ketchup" or "add in" is what i'm currently thinking if the high paprika/mango chutney idea does not work. just to clarify i don't see this being necessary for most dishes - the plain tom puree is all u need. i'm only intending using it for curry sauce and ultimately sylheti.
ps, just for info - at my local TA the puree is not watered which was quite a surprise when i realised.
Mikka,
i've never tried brown sauce and i can't for the life of me see me trying it in the hunt towards BIR. Lea & Perrins Worcester sauce does work though although i hardly use it now - only to add a bit of a variation now and then.
i guess when u say "hot sauce" u mean chilli sauce. i'm going to get some for sure on my next shop. i can't remember the name of what i used to use but i'll recognise the bottle for sure. i've also been on the look out for sometime for an SnS recommendation (Frank's Hot Sauce) which i'd like to try for none curry cooking.