How to Cook Previously Frozen Crab Legs

Toss crab legs, lobster and corn into a pot of boiling water.
Toss crab legs, lobster and corn into a pot of boiling water. (Image: steaming crab legs and veggies image by jcpjr from

Don't spend your money at specialty seafood restaurants when you're craving crab. Visit the grocery store and pick up a package of frozen crab legs. You will get more food for your money and be amazed at how easy they are to prepare. The crab is cooked and flash frozen when processed to keep it fresh, and whether the meat is frozen or thawed, it is prepared the same way. You can bake, boil, grill or microwave your crab legs.

Things You'll Need

  • Baking sheet
  • Pot
  • Water
  • 1 tbsp. sea salt
  • Paper towel

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Preheat the oven to 350 degrees F.

Put the previously frozen crab legs on a baking sheet.

Place the baking sheet in the oven and warm the crab for 5 to 7 minutes. Remember, the crab has already been cooked. You are only warming the meat.


Fill a pot to the half-way point with water and add 1 tbsp. sea salt. Place the pot on the stove.

Turn the heat to medium-high and bring the water to a boil.

Place the previously frozen crab legs in the pot of boiling water and allow them to warm for five minutes.

Remove the legs from the water and serve immediately with a dipping dish of melted butter.


Wrap the previously frozen crab meat in a damp paper towel.

Place the wrapped crab into the microwave.

Cook on high for two minutes.

Tips & Warnings

  • Do not refreeze meat you have thawed on the counter or in the microwave.


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