Rogan Josh may not sit with Kormas and Masalas in the top tier of British curries, but it surely comes in on the second rung. It’s a mildly spicey curry which combines a smokey and sweet taste that usually has tomatoes, that’s about it, deviation isn’t really necessary. Yet Wilesden’s Bombay Kitchen in north west London took a very different approach. This isn’t to say it was bad, it just wasn’t what I ordered. The curry I got was all smoke, nothing else, the smokey flavour was so intense it reminded me of barbeque sauce rather than a mild curry, and there were no chunks of juicy tomato either.  The…