Creamy Leek, Mushroom & Butter Bean Pie

british

Creamy Leek, Mushroom & Butter Bean Pie

From our second book 'Full of Beans'. A proper showstopper pie with a silky, savoury filling of leeks, mushrooms and tender Queen Butter Beans, turning the sauce into a luxurious, velvety base. It’s all tucked into a flaky puff pastry. It’s everything you want from a cold-weather bake. Delicious served with steamed greens or buttered peas for a pop of freshness. Photo credit Sam A Harris.

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Ingredients

  • pancetta 100 g
  • leek 2 (chopped)
  • mushrooms 150 g (sliced)
  • garlic cloves 3 (chopped)
  • fresh thyme 3 sprig (leaves picked)
  • butter 20 g
  • Dijon mustard 1 tbsp
  • plain flour 1 tbsp
  • vegetable stock cube 1
  • white wine 150 ml
  • Bold Bean Queen butter beans 570 g
  • double cream 100 ml
  • egg 1 (whisked)
  • puff pastry 240 g
  • frozen peas 250 g

Method

Heat the oven & cook the pancetta if using

  • Preheat the oven to 180°C/160°C fan.
  • If using pancetta, heat a dash of oil in a large frying pan over a medium heat. Add the pancetta and cook for 6–8 minutes until crisp. Remove from the pan with a slotted spoon and set aside.
  • Roughly chop the leeks and roughly slice the chestnut mushrooms, finely chop the garlic cloves. Pick the fresh thyme leaves.

Make the filling

  • To the same pan, add the butter, leeks and chestnut mushrooms. Season and cook for 10–12 minutes until softened, then add the garlic and fresh thyme.
  • Cook for a couple of minutes, then add the Dijon mustard and flour and cook for a few minutes more, stirring all the while.
  • Make up the vegetable stock cube with 350ml boiling water. Pour in the white wine and let it bubble away for a few minutes before gradually adding 250ml of the stock, stirring constantly.
  • Add the Bold Bean butter beans and their bean stock, double cream and reserved pancetta, if using. Season well with black pepper and cook for 10 minutes.
  • If it starts to look a little dry, add a splash more stock. Once it’s ready, pour the pie filling into a large pie dish and allow to cool completely.

Add the pastry & bake

  • Whisk the egg in a small bowl and use some of it to brush the top edges of the pie dish.
  • Take the puff pastry and lay it over the pie filling. You may need to roll out the pastry slightly first, depending on the shape of your pie dish.
  • Cut away any loose edges and crimp with a fork. Use any excess puff pastry to decorate the top if desired.
  • Brush the puff pastry with the remaining egg and season with salt.
  • Bake for 35–40 minutes until the pastry is puffed up and deeply golden.

Plate Up

  • Make the buttered peas by cooking the frozen peas in boiling water, then drain them. Add them back to the pan, add a knob of butter and season to taste with salt and pepper.
  • Leave the pie to rest for a few minutes, then serve in the middle of the table for people to help themselves, along with buttered peas.

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