30 to 40 minutes. The enamel pot has good sealing performance, which can keep the temperature in the pot well and ensure that the ingredients are heated evenly. Moreover, the enamel pot is thicker, which can effectively keep warm and make the ingredients cook faster. Therefore, when cooking porridge in an enamel pot, be sure to clean the pot first, then put the ingredients and water into the pot, and then turn to low heat for 30 to 40 minutes to boil the porridge.