Quick Midweek Roast Lamb and Vegetables

Ingredients

• 2 tablespoons olive oil
• 2 x 400g mini lamb roasts
• 2 sprigs fresh rosemary
• 2 cloves garlic, bruised
• 3 small red onions (300g), cut into thin wedges
• 3 small parsnips (360g), halved lengthways (or quartered if large)
• 6 small carrots (420g), halved lengthways (or quartered if large)
• 6 baby new potatoes (240g), halved
• 40 grams butter, chopped
• 1 -2 tablespoons plain flour
• 1 1/2 cup (375ml) chicken stock