Ham, leek, and potato pie Recipe

Based on a recipe from BBC Good Food; adapted to make it a bit more Slimming World friendly (OK, pastry will never be syn-free, but the rest of it almost is). It may sound fairly ordinary, but it was really delicious and well worth repeating — it’s the mustard that really makes it shine. If you’re not on a diet you can use crème fraîche instead of quark, but we found the quark worked really well; the flour in the sauce stops it curdling. The original recipe specified puff pastry, but we just used home-made shortcrust and it was fine. In fact thinking about it, you could maybe use a few layers of filo pastry on top to reduce fat further. It’s best to make the filling ahead of time and let it cool before adding the 2 tbsp 1…