1. Preheat the oven to 180°c / gas 4. Tip the sweet potatoes into a roasting tin and add half the oil and 1 tsp of the smoked paprika. Toss to coat the sweet potatoes and bake for 30 mins, until just tender.
2. Meanwhile, heat the remaining oil in a large saucepan and cook the onion and pepper gently for 8-10 minutes, until softened. Add a splash of water if it looks like it might catch. Stir in the garlic and cook for 1 minute, until softened. Add the remaining spices and tomato puree and cook for a minute more, until aromatic. Pour in the tomatoes, along with half a can of water, and simmer for 15-20 Minutes, until slightly reduced and thickened.
3. Stir in the sweet potatoes and beans and simmer for a final 5 minutes. Season to taste with black pepper.
4. Whilst the chilli is simmering, combine the red onion and lime juice and set aside for 5 minutes. Add the cherry tomatoes and chilli (to your taste) and stir through the coriander when ready to serve.
5. Ladle the chilli into bowls and top with the salsa.
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