Method
Place the garlic, ginger, curry leaves, lime leaves, coriander roots and stalks, and lemongrass in a blender or small food processor and blitz to a paste.
Step 3Place a large saucepan over a medium heat, add the ghee and fry the onion until it is just turning golden. Add the curry powder and cook over a medium heat for 8 minutes, stirring frequently to ensure the spices don’t burn.
Step 4 Add the paste to the pan and fry for a few minutes until fragrant. Add the chicken, coconut milk, pumpkin, tomatoes, cashews, salt and half the coriander leaves. Slowly simmer over a low heat for 45 minutes, stirring occasionally. Add the paste to the pan and fry for a few minutes until fragrant. Add the chicken, coconut milk, pumpkin, tomatoes, cashews, salt and half the coriander leaves. Slowly simmer over a low heat for 45 minutes, stirring occasionally. Step 5 Sprinkle with the remaining coriander leaves and serve with steamed rice.