Fry peppers, onions, garlic and chilli until softened.
Stir in cumin, then add chicken and seasoning. Cover and cook for 5 mins.
Remove from heat and stir in refried beans and most of the coriander and 2 tablespoons of soured cream.
Lay tortillas on work surface. Divide chicken mixture between them and roll up.
Place in a large, greased ovenproof dish and top with the remaining soured cream. Scatter over the cheese and some coriander. If preparing ahead cover and chill for up to 2 days.
Preheat oven to 190ÂșC (fan oven). Cover the tortilla dish with foil and bake for 40-50 mins. Remove the foil and bake for a further 10-15 until golden brown.