Melt the ghee in a medium heavy-bottomed pot over medium heat.
Add the finely diced onion and celery, sautéing for 5-7 minutes until soft and translucent.
Stir in the tomato paste and smoked paprika, cooking for 1 minute to allow the flavors to bloom.
Deglaze the pot with the dry sherry, using a wooden spoon to scrape up any browned bits from the bottom.
Pour in the seafood stock and bring the mixture to a gentle simmer for 10 minutes.
Carefully use an immersion blender to puree the soup base until it is completely smooth.
Whisk in the heavy cream and add the chopped lobster meat, heating through for 3 minutes until warm.
Season with sea salt and black pepper, then garnish with minced fresh chives before serving in warm bowls.