Ayam Masak Merah (Spicy Tomato Chicken)

Name: Ayam Masak Merah (Spicy Tomato Chicken)
Prep time: 10 min
Cook time: 1 h 25 min
Total time: 1 h 25 min
Yield: 8 portions
Ingredients: 1500 g whole chicken; 1 tsp ground turmeric; 2 tsp salt; 220 g water; 1 tsp tamarind paste; 15 dried chillies; 4 garlic cloves; 80 g shallots; 1 stalk fresh lemongrass; 2 ½ cm fresh ginger; 2 ½ cm fresh galangal; 80 g cooking oil; 200 g tomato purée; 2 tbsp sugar; 120 g yellow onions