How do I cook crab legs? August 14, 2018 22:01 You can steam, boil, bake, and grill crab legs. For more detailed information, please visit our 'How to Cook Alaska King Crab' guide. Related articles Once my king crab legs have thawed, how long can I keep them in the fridge? What can I serve with Alaskan king crab legs? Will my king crab already be cooked when it arrives? How should I thaw my order? How many crab legs are in a pound? Comments 0 comments Article is closed for comments.