3 to 1. Sky electric stewing cup uses slow fire to stew porridge, the ratio of three parts of water to one part of rice is 3: 1, and stewing for 40 minutes, which can make the taste and nutrition of ingredients and seasonings well distributed in porridge, with a particularly strong fragrance. Sky electric stewing cup adopts waterproof stewing method, stewing at constant temperature and locking nutrition, which is a good helper for modern family kitchen.