1.
Bring a casserole to a boil. Add the live lobster and blanch it for 2 minutes. Remove it into the ice water to stop the cooking immediately.
2.
Preheat the oven to 180° (thermostat 6)
3.
Cut the lobster in half lengthwise, clean and remove the raw coral. Remove the black intestines and tail.
4.
Chop the tarragon. Cream half of the butter, add the coral, mustard, breadcrumbs and tarragon and season.
5.
Sprinkle the remaining butter pieces over the entire length of the lobster on the stuffing.
6.
Bake for 6 to 8 minutes.
7.
Serve the lobster with lemon and seasoned softened butter.