Preparation
Pour the coconut cream into a wok or sauce pan and simmer for 2 minutes, stirring constantly, until the coconut oil begins to separate out.
Add the curry paste, fish sauce, palm sugar and torn kaffir lime leaves. Simmer for 2 more minutes.
Add the duck and eggplant. Bring to a boil. Then add the coconut milk and simmer for 5 minutes.
Add the pineapple and cherry tomatoes and simmer for 2 minutes. Then add the grapes (if using) and sweet basil leaves. Turn off the heat and serve garnished with the remaining kaffir lime leaves, sweet basil and a few spoonfuls of thick coconut milk.