Rural China. Steamed rice with tin foil (also called steamed rice with tin foil) is a cooking method of wrapping other ingredients with tin foil, which is common in street snacks and home cooking in Asian countries. Tin foil cooking was first popular in rural areas of China. At that time, people put rice and ingredients on tin foil, heated them with charcoal, cooked them and enjoyed delicious food in the fields. Later, tin foil cooking gradually spread to cities and small restaurants, becoming a convenient and delicious street snack.