Fish Pies

We found this winter recipe for fish pies at uktv.co.uk/goodfood, they take 40 minutes to make and serve 4-6 people. Ingredients:
800g Potatoes
30g Butter
7 tbsp Milk
4 tbsp freshly grated parmesan
1 Egg, lightly beaten
salt and black pepper
45g Butter
1 large Shallots, diced
2 tbsp white wine vinegar
45g Flour
450ml fish stock
6 tbsp double cream
1 1/2 tsp fresh parsley, or dill, chopped
250g Salmon, skin [...]
