- Meat Boxes
Heat the oven to 200C.
Heat the oil in a pan. Add the leeks and soften for 4-5 mins. Add the flour and stir in for 2 mins.
Remove the pan from the heat and gradually stir in the milk. Return to the heat and cook, stirring continuously until thickened. Simmer for 5 mins.
Stir in the mustard and seasoning. Pour in a pie dish, stirring in the fish pieces.
Gently fry the potato slices in a little olive oil. Season and top the fish pie with the slices.
Place the pie on a baking sheet and cook for 35-40 mins until the potatoes are golden and the fish is cooked through.