Banh xeo (crispy Vietnamese pancake)

Name: Banh xeo (crispy Vietnamese pancake)
Prep time: 30 min
Cook time: 24 h 55 min
Total time: 24 h 55 min
Yield: 6 portions
Ingredients: 100 g white rice; water; 100 g dried mung beans; 2 garlic cloves; 1 fresh bird's eye chilli; 60 g fish sauce; 60 g white vinegar; 125 g unsweetened coconut water; 2 tbsp caster sugar; 2 tbsp lime juice; 500 g water; 200 - 250 g boneless skinless pork belly; 150 g peeled raw prawns; 1 pinch salt; 300 g water; ½ tsp ground turmeric; 50 g coconut cream; oil; ½ brown onion; 4 spring onions/shallots; 200 g fresh bean sprouts; 6 - 8 lettuce leaves; fresh coriander leaves; fresh mint leaves