Beer-battered mackerel with beetroot salad

By Glynn Purnell From Saturday Kitchen Ingredients 150ml/5fl oz olive oil 50ml/1¾fl oz balsamic vinegar 1 large cooked red beetroot, cut into cubes 1 medium yellow beetroot, thinly sliced 1 medium candied beetroot, thinly sliced ½ bunch fresh dill, roughly chopped 250g/9oz crème fraîche …