A sandwich that is nutritious and energy-intensive and can supplement human energy needs is a good food for hunger. The mix of sandwich fibres with proteins, starch, promotes gastrointestinal creeping, helps digestion and has a healthy stomach digestive effect. Toast bread of nutritional value contains proteins, fats, carbohydrates, a small amount of vitamins and minerals such as calcium, potassium, magnesium and zinc. It is of diverse taste, easy to digest, absorb and eat, and is popular in everyday life。
