Winter tabbouleh with a blood orange dressing

Blood oranges have a distinct colour and tartness which makes them really stand out in a salad or dressing. Their season is short, though, so regular oranges are absolutely fine for the rest of the year. As with our other tabbouleh salads, the bulgur can be replaced by an equal quantity of quinoa, if you like, for a gluten-free alternative. If you do this, then cook quinoa as you normally do – in a pan of boiling water for 9 minutes or so, then refresh und