Bellanger has the feel of a neighbourhood place, rather than a trendy London eaterie. That might be due to its location in the twinkly, cosy section of Upper Street in Islington. Apparently Bellanger is ‘inspired by the Alsatian brasseries of Paris’. If you’re not down with Alsatian dining, then expect to be a little more familiar by the end of your visit. During my visit with friends a few weeks ago (Bellanger is great for dinner with friends), I had the quiche to start. It was one of the most divine quiches I have tasted. Light and extremely fluffy, it tasted like (cliche alert) clouds in my mouth. This was…