HDL COOKS: Dijon cream chicken with duck fat roast potatoes

If there’s anything I pride myself on, other than my rapid mental absorption of odd facts akin to one of the QI elves, it’s my roast potatoes. I’ve tried many a roastie, and I’ve met many a person who stubbornly will not concede that anything but their mum’s roast potatoes are the best. Until they’ve…