Materials for corn stubble porridge Preparation of corn stubble Appropriate amount of soybeans Appropriate amount of baking soda Appropriate amount of corn stubble porridge Practice steps Wash the corn stubble with clear water to ensure that there are no impurities, and wash the soybeans with clear water. Put the cleaned corn stubble into the pot, then add the soybeans, turn the fire to the maximum until it boils, turn off the fire and stew for one hour, ...20089.999999999995