Yotam Ottolenghi’s slider recipes

Sliders, or mini-burgers, are all the rage these days, but there’s no law that says you have to fill them with meatSliders, mini-burgers, mini-sandwiches: what’s the beef (even if there is no beef)? I know, I know: I’m calling something a slider when it’s not, officially, a slider.To be honest, I hadn’t heard of the term until very recently, when I started thinking about what to call today’s little rolls, so I’m claiming no authority on the matter. &ldqu