Serves 4-6 as an entree or light lunch   1 large loaf of Italian bread, sliced thickly – ciabatta is ideal 3 tsp Dijon mustard 3 tbs extra virgin olive oil or more if required 3 cloves garlic, chopped 500g mixed mushrooms, chopped 1 handful fresh flat-leaf parsley, chopped, plus extra for garnish I small […]