hot water, and then you scrub it again with a tough side of the sponge.
rusting can easily take place if you left your wet skillet too long. in this case, use a dry towel to wipe out your skillet. to remove excess moisture, you can heat it up your skillet on the top of the stove to dry completely.
after the oil coating, you have to heat your cast iron skillet in the oven with the highest temperature between 40 °f to 500 °f. this will break down the oil on the surface of the skillet. if the oven is not hot enough, the oil will not break down, and your 