Smoked haddock with charred leeksPhotography by Neil WissinkThe Cat and Muttonhas long been known for over-spilling its trade onto busy Broadway Market. And though it’s been active as a pub for 300-odd years, of late its popularity seems more to do with its desirable east London location than anything else. All that is set to change as new owners have revamped the food and drinks menu, and launched a comfortable dining room and cocktail bar – called Pearl’s – in the formerly unde...