Chorizo, beetroot and couscous salad

Method

1. Preheat the oven to 180°C/fan 160°C/gas 4. Wrap the beetroot in foil, then put in a roasting tin and roast for 20-30 minutes until tender. Open the foil and set aside until cool enough to handle. Wearing rubber gloves, peel the beetroot and cut into wedges.
2. Heat a pan over a medium-high heat, then fry the chorizo until starting to crisp.
3. Cook the couscous in the stock according to the pack instructions, then tip into a large serving bowl and fluff up with a fork. Drizzle over the oil and vinegar, then stir to coat. Add the beetroot and chorizo, season, then gently mix. Gently toss through the watercress, then scatter over the parmesan shavings.