1 live lobster (2 lbs.)
3 tbsp. butter

SAUCE:

1 1/2 c. heavy cream
3 tbsp. prepared mustard
1 tbsp. capers, drained
1 tbsp. cornstarch

Preheat oven to 400 degrees. Place lobster into boiling salted water. Cook 5 minutes and drain. Dot fleshy underside with salt and pepper. Butter a large sheet foil. Place lobster in center and wrap completely. Set in dish and bake for 45 minutes.

Prepare sauce: Mix cream with mustard, capers and cornstarch, salt and pepper. Heat over moderate heat, stir constantly until boiling. Remove from heat. Cut lobster in half and serve with boiled rice. Pour sauce over lobster.