Make the curry paste by placing all the paste ingredients into a small blender followed by the oil and 1 tbsp of water. Season with a pinch of salt and blend until smooth.
Fry the siced onions for 4-5 minutes in a large pan until they start to soften. Add the pepper, cook for a further 2 minutes then add the curry paste
Cook for 2 minutes, stirring continuously to ensure the paste doesn’t stick or burn, before pouring in the chopped tomatoes and half a can of water
Bring to a simmer and gently stir through your leftover cooked turkey. Simmer for 10 minutes before adding the halved sprouts and the mango chutney. Allow to simmer over a low heat until the sauce has reduced and thickened, approximately 10 minutes
Stir through the cream, gently warm and season with a little more salt to taste
Sprinkle with chopped fresh coriander and sliced red chilli if using