Herb roast pork with vegetable roasties & apple gravy - Good Food Middle East

Ingredients

• 1¼kg boneless pork leg roasting joint
• 1 tbsp wholegrain mustard
• 2 tbsp chopped parsley
• 2 tbsp chopped thyme, plus a few extra sprigs
• 1 tsp chopped sage
• 80g pack prosciutto
• 4 good sprays of oil
• 3 carrot, halved lengthways, then cut across
• 6 small potato (500g), halved
• 2 red onion, cut into wedges
• 12 garlic clove
• 1 small celeriac (650g), peeled and cut into 12 wedges
• 2 tbsp cornflour
• 600ml reduced-salt chicken stock
• 1 small Bramley apple, diced
• Savoy cabbage and peas, to serve