Otak-otak Steamed Buns

Name: Otak-otak Steamed Buns
Prep time: 10 min
Cook time: 1 h 40 min
Total time: 1 h 40 min
Yield: 10 portions
Ingredients: 1230 g water; 20 g sugar; 1 tsp dried yeast; 20 g vegetable oil; 250 g medium protein flour; 1 pinch salt; 250 g mackerel (ikan tenggiri) fish fillet; 60 g cooking oil; 15 g dried chillies; 1 fresh lemongrass; 130 g shallots; 2 kaffir lime leaves; 15 g fresh galangal (lengkuas); 5 candlenut (buah keras); 10 g roasted shrimp paste (belacan); 1 tsp salt; 1 tbsp sugar; 1 tsp turmeric powder; 2 tsp fish curry powder; 1 tsp chilli powder; 1 tsp coriander powder; 70 g coconut cream; 1 egg