Add olive oil to a large frying pan or skillet on medium heat.
Proceed to saute the onion, garlic, scallion and ginger until soft and translucent.
Then add the curry, cinnamon stick, all spice, black pepper and pink salt then stir until fragrant.
Add the thyme and bell peppers and cook until they begin to turn soft.
Transfer everything into the slow cooker.
Add the bay leaves, cho cho, kidney beans, sweet potato, coconut milk, water and juice of a lime then stir.
Switch on the slow cooker, select HIGH and cook for 4 hours with the lid on.
Once cooked, do a taste test and add additional pink salt and black pepper, if needed.
Discard the thyme stems, cinnamon stick, bay leaves and serve.