Preheat oven to 200°C (180°C fan-forced).In a frying pan, heat the olive oil and fry the chicken until it is slightly browned on the edges.Add the stock and soup with the thyme and mix.Stir in the frozen vegetables. Bring to the boil and pour into a casserole dish.Bake for 45 minutes. Sprinkle with chopped parsley to garnish.