Delicate taste means that the texture of food is soft, smooth and mild, without obvious roughness or graininess. It is related to food processing methods, ingredient selection and cooking methods. Nutrient-rich means that food is rich in various nutrients, such as protein, carbohydrates, fats, vitamins and minerals, which are very important for human health and development. The nutritional composition of food is related to the choice of raw materials, processing methods and cooking methods.