Download Cooking 20 Pound Lobster, Pics. Cooked lobsters will turn bright red, but that's not the best indicator of doneness, especially for large lobsters. Cooking my giant live 15 pound pet lobster!
Reduce the heat and cook at a gentle boil until the lobster is bright red.
Live lobster should be cooked the same day it is bought. Steam in a steamer basket, covered, for 18 to 20 minutes for a 1 1/4 to 1 1/2 pound. After a quick sear, the lobster meat finishes cooking in its own shell, essentially poaching in a. Reduce the heat and cook at a gentle boil until the lobster is bright red.