Lentil and Sausage Salad With Mediterranean Vegetables

Ingredients

• 1 1/2 cups French-style green (puy) lentils
• 2 red bell peppers (halved lengthwise)
• 4 zucchini (halved lengthwise)
• 1/4 cup extra virgin olive oil
• 500 g good-quality sausages
• 2 small red or white onions (cut into wedges)
• 2 stalks celery (thinly sliced)
• 2 cloves garlic (thinly sliced)
• 300 g new potatoes (scrubbed and diced)
• 2 tbsp sherry vinegar
• 1 tbsp German or dijon mustard
• Salt and freshly ground black pepper
• 1 cup rocket (arugula)
• 2 tbsp fresh thyme (chopped)
• 1/3 cup fresh flat-leaf parsley (chopped)