675 g (1 1/2 lb) pork spare ribs or belly of pork
30 ml (2 tbsp) vegetable oil
120 ml (4 fl oz) 1/2 cup water
15 ml (1 tbsp) palm sugar
15 ml (1 tbsp) fish sauce
150 g (5 oz) snake beans, cut into 5 cm (2 in) lengths
2 kaffir lime leaves, finely sliced
2 red chillies, finely sliced, to garnish
3 dried red chillies, seeded and soaked
4 shallots, chopped
4 garlic cloves, chopped
5 ml (1 tsp) chopped galangal
1 stalk lemon grass, chopped
6 black peppercorns
5 ml (1 tsp) shrimp paste
30 ml (2 tbsp) dried shrimp, rinsed