Bring a large pot of water to a rapid boil. Add the lobster and cook for 8 minutes. Remove from the water and set aside to cool slightly.
Preheat the oven to 450 degrees F (220 degrees C). When the lobster is cool enough, split it in half lengthwise using a large chef's knife. Remove the dark strip if present. Remove the tomalley to a bowl and mix with the bread crumbs, butter, salt, pepper and tarragon. Stuff this mixture on top of the lobster meat still in the shell and place lobster halves in a baking dish. Drizzle oil over the top.
Bake in the preheated oven until the stuffing is browned, about 20 minutes.
Wow!!! Excellent directions, especially for me. Ive never cooked lobster before, and this was very direct and easy, and incredibly delicious! Family loved it, very tender yet flavorfull!
Way too salty for our taste -- a pinch of salt would have been more appropriate than a teaspoonful! I used fresh tarragon, the flavor was good, other than the salt. Also with so much butter in...