First of all, the ribs are not too frozen. If they are in normal condition, then soak them in tap water for more than half an hour to soak out the blood in the ribs. Then boil the water and put the ribs in the pot to cook for a while, and then Just steam it. Soaking and boiling water are all to make the blood water in the ribs evaporate. As long as the blood water evaporates, the steamed ribs will be white