To prepare the wattakka curried pumpkin rice recipe, you will need: 1. Peel and cut the pumpkin in half. 2. In a large saucepan, heat the oil over medium heat. Add the chopped ginger and garlic and saute until the garlic is lightly browned. 3. Stir in the turmeric powder, salt, and urad dal. 4. Bring the mixture to boil, then reduce the heat to low and simmer for 20 minutes. 5. Add 1 cup of water and cook the rice for 5 minutes, until it is tender. 6. Serve hot with raita.