Easy Recipe: Roast Beef and Rice Salad

Ingredients

• 500 g roast beef (preferably cooked medium-rare or medium, trimmed of fat and cut into cubes)
• 1/3 cup sun-dried tomatoes in oil (drained and thinly sliced)
• 4 spring onions (scallions) (thinly sliced)
• 2 tbsp fresh chives (snipped)
• 1 1/4 cups basmati rice (rinsed)
• 1 stalk celery (thinly sliced)
• 1 carrot (coarsely grated)
• 1 zucchini (coarsely grated)
• 75 g button mushrooms (thinly sliced)
• 1/3 cup fresh flat-leaf parsley (chopped)
• radicchio rosso leaves (or other salad leaves, to serve)
• 1 1/2 tsp mustard powder
• 1/2 tsp caster (superfine) sugar
• 2 tbsp cider vinegar
• 1/4 cup extra virgin olive oil
• Salt and freshly ground black pepper