Fill your pot with enough water to cover the tails by an inch—no more. Add a generous tablespoon of salt per quart of water. (Yes, generous. Lobster loves salt like a teenager loves Wi-Fi.) Bring it to a rolling boil—big, aggressive bubbles, not a lazy simmer.
Now, drop the tails in, reduce the heat to medium-low, and set a timer. For 4-ounce tails, boil 4 to 5 minutes. For 8-ounce monsters, 6 to 8 minutes. Smaller tails = less time. That’s it.
Don’t walk away. I mean it. Set your phone timer, because three extra seconds can turn a gem into gum. The meat should be opaque and firm, but still slightly translucent in the center—it’ll finish cooking from carryover heat.
Step 4: The Ice Bath Escape
As soon as the timer dings, fish the tails out with tongs and plunge them into a bowl of ice water. This stops the cooking instantly. No ice bath? You’ll get overcooked tails, and that’s a crime against butter.
How to Boil Lobster Tails (with Pictures) - wikiHow
Let them sit in the ice for 2 minutes. Then, pat them dry—because nobody likes waterlogged lobster. You’ve just won the battle.