Perfected Pulled Pork - River Cottage

Ingredients

• 1 whole shoulder of pork on the bone (about 7–8 kg)
• 3 onions, peeled and halved
• 6 carrots, peeled and cut into chunks
• 4 celery sticks, halved
• 1–2 fennel bulbs, quartered (optional)
• A bunch of mixed herbs, such as sage, thyme, fennel, rosemary and bay
• 1 whole garlic bulb, halved horizontally
• 2 glasses of water
• Salt and freshly ground black pepper