Thai Prawn Massaman Curry

Name: Thai Prawn Massaman Curry
Ingredients: 10 dried red chillies- soak in hot water for 10 minutes; 2 inch galangal; 3 cloves garlic; 5 shallots; 5-6 kaffir lime leaves; 1 small stalk lemon grass – pound slightly; 1 tbsp cumin seeds; 1 tbsp coriander seeds; ½ tsp nutmeg powder; 1 tbsp shrimp paste (belacan); 1 tbsp fish sauce/nampla – optional ( i find the smell can be off putting for some); ¼ cup peanuts; 20 king prawns (1 kg)- deveined; 3 tbsp massaman curry paste; 2 bay leaves; 1 fresh red chilli- sliced finely; 1 large onions-sliced; 4 sprigs curry leaves; 2 tomatoes- diced; 2 tbsp canola oil; 1 tsp tamarind paste