Crab Temperature Guide: Steaming & Reheating
Crab: Don't Cook It Twice
Here is the most important fact about crab: The crab legs you buy at the grocery store are almost always already cooked.
They are boiled on the boat or at the processing facility to preserve them. If you boil them again for 20 minutes, you are ruining them. You are just warming them up.
Reheating Pre-Cooked Crab Legs
Your goal is to get them hot enough to serve with butter, without toughening the meat.
- Target Temp: 145°F63°C (Just hot throughout).
- Best Method: Steaming.
- Bring 1 inch of water (and Old Bay/Lemon) to boil in a large pot.
- Place crab legs in a steamer basket.
- Lid on. Steam for 4–6 minutes.
- You just want them hot.
Cooking Live Crab
If you are lucky enough to have live Blue Crabs or Dungeness:
- Method: Boil or Steam.
- Time:
- Blue Crabs: 10–15 mins.
- Dungeness (1.5-2lb): 18–20 mins.
- Visual Cue: The shell must turn Bright Red/Orange. The meat inside should be pure white and opaque.
- Internal Temp: 145°F63°C in the thickest part of the body meat.
Frequently Asked Questions (FAQ)
Q: Why is my crab meat sticking to the shell?
A:
- The Crab was molting: If the crab had just shed its shell (paper shell), the meat is watery and sticks.
- Overcooking: Cooking too long dries the meat and fuses it to the cartilage.
Q: Can I bake crab legs?
A: Yes, and it's delicious. Place legs on a baking sheet, brush with butter/garlic, and bake at 375°F190°C for 10 minutes. This concentrates flavor rather than washing it away in boil water.
Q: Is the yellow stuff edible?
A: Yes! That is the "mustard" (hepatopancreas). It is the organ that filters impurities, but it is rich and considered a delicacy by many. However, due to toxins in certain waters, some health advisories recommend discarding it. Check local warnings.