Heat the oil in a heavy pot over medium heat. Add mustard seeds and fenugreek seeds.
When they begin to pop, add onion and saute until softened. Add curry leaves, pandan leaves and saute for 1-2 minutes.
Add ginger garlic paste and saute for another 1-2 minutes.
Reduce heat. Add cinnamon stick, curry powder, chili powder, turmeric and ground cinnamon Saute for 30 seconds, stirring constantly. Add a splash of water if the spices stick to the pan or start to burn.
Add tamarind, jackfruit, salt, black pepper, sweetener, water and mix well.
Finally add the coconut milk, mix well and let the jackfruit cook in the gravy for 3-5 minutes.
Garnish with coriander and serve with rice. Enjoy!