Heat the oil in a fry pan and lightly brown chicken pieces. Place into a small casserole dish.
Cut capsicum and onion into large pieces, cook in fry pan for 2–3 minutes with thyme, chilli and garlic .
Add and saffron, stock and sugar, bring to the boil and pour over chicken. Sprinkle with cherry tomatoes and zest of lemon. Cover with lid or foil and bake for 45 minutes. Uncover and bake a further 15 minutes.
Sprinkle with the chopped parsley before serving over cooked pasta of your choice.