A method of preparing a food dish simultaneously cooking a food item with rice, wherein the food item is seasoned or flavoured by placing food and seasoning or flavouring ingredients inside a cook-in bag, sealing the cook-in bag, placing the sealed cook-in bag in a cooking appliance, and wherein the rice is placed in the cooking appliance either before or after the cook-in bag is placed in the cooking appliance, and the food item and the rice are cooked together. A cooking kit for use in the method comprising a cook-in bag provided together with a sachet containing seasoning or flavouring ingredients.