Icelandic Creamy Langoustine Recipe | Lobster Bisque (Humarsúpa)

Ingredients

• 2 tablespoons butter
• 1 pound of langoustine shells (or shrimp/lobster/prawn shells)
• ¾ cup dry white wine
• 1 yellow onion (chopped into quarters)
• 2 carrots
• 2 celery stocks
• 4 cups fish stock
• 3 cups water
• 1 teaspoon pepper
• 1 teaspoon salt
• 2 tablespoons extra virgin olive oil
• 4 tablespoons butter
• 2 garlic cloves (finely minced)