Icelandic Fish Soup - Le Coup de Grâce

Ingredients

• 4 tablespoons butter
• 1 medium yellow onion, finely chopped
• 1/2 cup white part leek, finely chopped
• 2 celery sticks, finely sliced
• Salt and ground pepper
• 1/2 cup port
• 3/4 cup white wine
• 6 cups chicken broth
• 3 tablespoons tomato concentrate
• 1/2 teaspoon safran
• 3 tablespoons red wine vinegar
• 5 cups of mix nordic fish (salmon, haddock, halibut), cut in cubes
• 4 cups uncooked shrimps, shelled and without tails
• 3 tomatoes, very finely chopped
• 3/4 cup 15% country cream