Slow-cooked pork knuckle with harissa and peppers

By Matt Tebbutt From Saturday Kitchen Ingredients For the pork knuckle 1 pork knuckle 1 cinnamon stick 1 tbsp coriander seeds 1 star anise 1 tbsp harissa paste 1 onion, chopped 2 carrots, peeled and chopped 3 celery sticks, chopped 1 head of garlic, halved For the harissa …