Put a splash of oil in a large pan, then add in the onions and cook until translucent, then add garlic for 30 seconds. Followed by the spices.
Then immediately add in the green pepper, carrot, and jackfruit. Stir everything together until the spices cover everything well.
Pour in the tomatoes, stir well until combined then bring up to a simmer. Leave it to simmer for 30 minutes.
Add in the black beans. Stir everything really well, then leave to simmer uncovered for another 15 mins. Squeeze in lime juice.