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? How long can a box sit outside once it's delivered? How many legs are in 3 lbs of Super Colossal Red King Crab legs? How should I thaw my order? Comments 0 comments Article is closed for comments.