To make the filling, place the peppers and mozzarella in a large bowl. Add the 'nduja, parsley and a generous pinch of sea salt to the bowl. Stir well to combine all of the ingredients.
Perfect summer’s day picnic food. Bake a whole joint and, once it’s cool, wrap up in foil and put the glaze in a jar. Pack it into the hamper along with crusty bread and other snacks. Drain ...