A Simple Creamy Seafood Chowder Recipe

Name: A Simple Creamy Seafood Chowder Recipe
Ingredients: 1 tbsp butter; 1 onion (finely chopped); 70 grams smoked pancetta (chopped); 1 tbsp plain flour; 600 ml fish stock ((I use a Knorr stock pot)); 2 medium potatoes (peeled and cubed); 150 ml full fat milk; 1 tsp Captain Cat's Môr Seasoning (Seafood Spice Rub); 325 grams fish pie mix (cut into small pieces); 150 ml single cream; 165 grams prawns (ready cooked); 200 grams crab claws (ready cooked); 2 spring onions (finely chopped); 1 tsp laver (to garnish)