When king crab is caught at sea, often it is cooked and blast frozen to secure its prized taste. Preparing king crab is usually just a matter of using your favorite reheating method. Thawing your king crab is the first thing at hand. Correctly done, king crab is thawed under refrigeration at or below 38 degrees. If you're in a big hurry, king crab can be ran under cold water to speed this up. Try bending the crab legs at their joints or slightly squeezing the middle of the merus section to make sure the king crab has thawed. Once thawed, you can prepare it for cooking. Don't forget to break off part of a crab leg and pick out the sweet meat to add to a salad later.