Thai coconut rice with salmon

Name: Thai coconut rice with salmon
Ingredients: 20g pack of fresh coriander; 3 limes; 2 x 400ml cans coconut milk; 2 tbsp light olive oil; 25g butter; 2 shallots finely chopped; 90g jar Thai red curry paste (we used Bart's spices); 500g basmati rice; 4 lime leaves fresh or freeze dried; 6 skinless salmon fillets each weighing about 140g/5oz; 3 tbsp soy sauce (we used Kikkoman's); 2 tsp golden caster sugar; 4 spring onions; 1 plump red chilli seeded and finely chopped; simple green salad to serve