Based on cooking experience and the instructions of the electric crock pot, it usually takes about 40 minutes or so to make porridge. This is because stewing porridge requires the rice to be fully cooked to make it soft and sticky. By using a constant temperature, the electric crock pot gradually heats up the rice until it comes to a boil, and then keeps it at the right temperature for stewing. This ensures that the rice fully absorbs the water and releases the starch to achieve the desired texture and flavor. Although the time for making congee varies from case to case, around 40 minutes is a common reference time. If you wish to make a delicious porridge, it is recommended to reserve about 40 minutes when using an electric cooker to make porridge.