Fish Pies With Cheesy Mash

• 2 1/2 cups milk
• 1/2 small onion
• 1 None bay leaf
• 6 None black peppercorns
• 4 None skinless fish fillets (6 oz each)
• 3 large potatoes, peeled and chopped
• 1 1/3 lbs celeriac, peeled and chopped
• 1 None egg yolk
• 1/2 cup finely grated Parmesan cheese
• 3/4 cup light cream
• 4 tbsp (1/2 stick) butter
• 1/4 cup flour
• 2 tbsp chopped fresh flat-leaf parsley

1. Bring milk, onion, bay leaf and peppercorns to a boil in large saucepan. Add fish. Reduce heat to low; simmer, covered, for 5 mins, or until cooked through. Remove fish; divide among four 1 1/2-cup baking dishes. Strain milk through sieve into medium bowl. Discard solids; reserve milk.
2. Boil, steam or microwave potatoes and celeriac, separately, until tender; drain. Push potatoes and celeriac through sieve into large bowl. Stir in yolk, cheese, 1/4 cup cream and half the butter until smooth. Cover to keep warm.
3. Melt remaining butter in medium saucepan. Add flour; cook, stirring, for 3 mins, or until mixture bubbles and thickens slightly. Gradually stir in reserved milk and remaining cream; cook, stirring, until mixture boils and thickens. Stir in parsley.
4. Preheat the broiler. Divide sauce among dishes; cover with potato mixture. Place dishes on baking pan. Broil until tops are browned lightly.

milk, onion, bay leaf, black peppercorns, fish, potatoes, celeriac, egg yolk, parmesan cheese, light cream, butter, flour, parsley

Taken from recipes-plus.com/api/v2.0/recipes/33849 (may not work)