Shepherd's pie with root veg mash recipe | Sainsbury`s Magazine

Ingredients

• 2 tbsp oil
• 1 x 500g pack 10% fat lamb mince
• 2 onions, chopped
• 2 carrots, diced
• 1 celery stick, diced
• 1 tbsp plain flour
• 2 tbsp tomato purée
• 2 tsp Worcestershire sauce
• 200ml red wine (optional)
• 500ml lamb or beef stock
• ½ x 20g pack thyme, leaves chopped
• 1 x 250g pack cooked green or Puy lentils
• 2 sweet potatoes (about 450g)
• 1 swede (about 600g)
• 3 parsnips (about 400g)
• 40g butter
• 1 tbsp semi-skimmed milk