Preparations
1. Heat oil in a wok over medium heat and add the red curry paste, stir well. Then add 3/4 cups coconut milk and stir until mixed thoroughly.
2. Add the roasted duck and stir often. Then pour the mixture into a pot, add the remaining coconut milk, water, tomatoes, pineapples, eggplants, kaffir lime leaves, sweet basil leaves ,sugar, salt, and fish sauce.
3. Continue stirring until boiling and remove from heat. Transfer to a serving bowl.