Remove the meat from the lobster and set it aside.
2 lbs lobster
In a large pot, melt the butter over medium heat. Add the onion, celery, carrot, and garlic, and cook until the vegetables are tender about 5 minutes.
¼ cup butter, 1 medium onion, 2 stalks celery, 1 carrot, 1 clove garlic
Stir in the flour and cook for an additional 2 minutes.
¼ cup all-purpose flour
Add the lobster stock, cream, wine, tomato paste, salt, white pepper, and cayenne pepper. Bring the mixture to a boil, reduce the heat to low, and simmer for 20 minutes.
4 cups lobster stock, 1 cup heavy cream, ½ cup dry white wine, 1 tablespoon tomato paste, 1 teaspoon salt, ¼ teaspoon white pepper, ¼ teaspoon cayenne pepper
Remove the pot from the heat and use an immersion blender to blend the soup until smooth.
Return the soup to the heat and add the lobster meat—Cook for another 5 minutes or until the lobster is heated through.
Garnish with chopped parsley and serve hot.