The water will drop below a boil when you put the crabs in, so cover and let it come back to a full boil. When it does, cook for 10-15 minutes. When you see crabs floating on the surface, give it another 2-3 minutes.
From Hank Shaw, former About.com Guide
The water will drop below a boil when you put the crabs in, so cover and let it come back to a full boil. When it does, cook for 10-15 minutes. When you see crabs floating on the surface, give it another 2-3 minutes.
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