Roast pork fillet with cider and apple sauce Recipe | Food Network UK

Ingredients

• 2kg pork fillet
• 1 to 2 tbsps groundnut oil
• Salt
• Freshly ground black pepper
• 1 1/3 tbsps groundnut oil
• 500g pork bones (ask your butcher), chopped small
• 1 large onion, peeled, chopped
• 1 large carrot, peeled, chopped
• 1 celery stick, chopped
• 2 garlic cloves, peeled, crushed
• 1 bay leaf
• 2 thyme sprigs
• 1 green apple, chopped
• 300ml dry cider
• 400ml chicken stock
• 6 green apples
• 20g unsalted butter
• 75ml dry cider
• 3 tarragon sprigs, blanched briefly in boiling water, drained, chopped
• 1 to 2 tsps soft brown sugar (preferably muscovado)