Divide the salad leaves between two plates. Add the sliced radish and pieces of tuna.
Toast the bread and cut into cubes, then add to the salad.
Place the broccoli in a pot of boiling water and cook for approx. 5 minutes, then strain and add to the salad.
In a bowl, mix all the dressing ingredients and drizzle over the salad. Sprinkle with parmesan cheese and serve.