Answer: blanching

AnswerCrossword Clue
blanchingPrepare (vegetables) for freezing or further cooking by immersing briefly in boiling water
blanchingBLANCH, to whiten (to make white (the colour of pure snow))
blanchingWhiten (a plant) by depriving it of light
blanchingPeel (almonds) by scalding them
blanching(of a person) Grow pale from shock, fear, or a similar emotion
blanchingMake white or pale by extracting color; bleach