how long to cook a chicken breast at 200 degrees?
['Preheat oven to 200 degrees Celsius. Rub chicken breasts with olive oil and season with salt and smoked paprika. Place chicken in a roasting tin.', 'Bake in the preheated oven for 10 minutes. Turn chicken and cook for another 15 minutes.', 'Cool for 2 mins and serve.']