Ingredients:

1l chicken stock
720ml dark beer
1 large white onion, chopped
1 large red onion, chopped
2 large green chillies, roasted and chopped
2 bunches of spring onions, chopped
2 tbsp fresh ginger, minced
135g (tinned) chopped green chillies
2 jalapeño peppers, roasted and chopped
4 tbsp tamarind concentrate
150ml black treacle (molasses)
4 tbsp dark brown sugar
2 1/2 tbsp ground allspice
4 tsp freshly-ground black pepper
4 tsp cayenne pepper
2 tsp ground cinnamon
2 tsp ground nutmeg
2 tsp fresh thyme, finely chopped
3 tsp salt
3 tsp dark brown sugar
2 tbsp soy sauce
2 tbsp white wine vinegar
1/2 habanero chilli, finely chopped