Gently cook diced chicken, onion and garlic with a tablespoon of oil in a saucepan for 5 minutes or until chicken is browned and onions are soft.
Stir in curry powder, flour and tomato puree and cook on a low heat until paste like for 5 minutes.
Slowly whisk in the warm chicken stock, chopped tomatoes and then add the jar of mango chutney. Serve with rice and season to taste. Cook for 15-20 minutes