Creamy fish soup with salmon and cod

Ingredients

• 280 g salmon, diced
• 280 g Cod, diced
• 2 tbsp butter
• 1 tbsp flour
• 3 dl fish stock
• 3 dl full-fat milk
• 3 dl crème fraîche
• 1/2 tsp salt
• 8 turns of a pepper grinder
• 1 carrot, sliced thinly
• 1 spring onion, sliced lenghtwise thinly
• 1/4 celeriac, sliced thinly
• 1 handfull dill, chopped