Name: Elegant fish pie
Yield: 4
Cuisine: British
Ingredients: 1 mash recipe (see Homely ocean pie recipe); Salt and freshly ground black pepper; 100ml double cream; 400ml fish stock; 100ml white wine; 6 button mushrooms, sliced; 2 shallots, finely chopped; 20g unsalted butter; For the fish sauce; 8 king prawns, peeled, tails left on; 8 large fresh mussels; Salt and freshly ground black pepper; 100g frozen peas; 400g mixed salmon, cod and smoked haddock, cut into chunks; Juice of 1/2 lemon