Asian-style Porchetta

Name: Asian-style Porchetta
Prep time: 30 min
Cook time: 150 min
Total time: 180 min
Yield: 6
Ingredients: 2kg (4 lb 6 oz) piece skin-on pork belly; sea salt; grilled lime halves, to serve; Spice paste:; 10 dried long red chillies; 3cm (just over 1”) piece galangal, skin removed, finely chopped; 1 lemongrass stalk, pale part bruised, finely chopped; 3 Asian red shallots, roughly chopped; 2 coriander roots; 4 garlic cloves, roughly chopped; 3 makrut lime leaves, destemmed, sliced; finely grated zest of ½ makrut lime (or regular lime); ½ tsp shrimp paste; ½ tsp ground cumin; 1 tsp ground coriander; Spiced coconut sauce:; 1 tbsp vegetable oil; 1 cup coconut milk; 2 tsp palm sugar, finely shaved; 1 tbsp fish sauce