garlic cloves, chopped
1 onion, chopped
1 tsp shrimp paste (belachan) (see Note)
2 tbsp peanut oil
1 tbsp dried chilli flakes
1 tsp ground turmeric
1.2 kg pork neck, cut into 4 cm-pieces
2 green mangoes (see Note), peeled, coarsely grated
1 tsp fish sauce, plus extra, to taste
1 litre chicken stock brown sugar, to taste steamed rice (optional) and lime wedges, to serve