Mauritian chicken curry

Name: Mauritian chicken curry
Ingredients: 2 tbsp vegetable oil; 8 curry leaves, finely chopped; 1 medium onion, finely chopped; 2 garlic cloves, finely grated; 2cm ginger, finely grated; 1 cinnamon stick; 1 green chilli, finely chopped; 1 tbsp thyme leaves; 3 tbsp Mauritian curry powder; 600g skinless chicken thigh fillets, chopped; 2 medium tomatoes, chopped; 2 large potatoes, cut into quarters; ½ red onion, finely sliced, to serve; 1 tbsp coriander leaves, to serve; basmati rice, sliced cucumber, fresh rotis and satini pomme d’amour, to serve; 2 large ripe tomatoes, finely chopped; ½ white onion, finely chopped; 1 tbsp olive oil