A hearty pie with a mustard and fennel crust, this makes a stunning veggie centrepiece for everyday or entertaining
Ingredients
For the pastry
- 140g unsalted butter, plus extra for greasing
- 375g plain flour
- ΒΌ tsp mustard powder
- 1 tsp fennel seeds
For the filling
- 2 large King Edward potatoes, cut into small cubes
- 2 tbsp unsalted butter
- 4 large banana shallots, sliced
- 7 spring onions, finely sliced
- 3 medium eggs
- 150ml double cream
- 1 tsp thyme leaves
- 200g strong cheddar, grated
For the glaze
- 1 egg yolk, beaten
- 1-2 tsp milk
Method
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Heat oven to 180C/160C fan/gas 4. First, make the filling. Boil the potatoes in a large pan of salted water for 10-15 mins until a knife is easily inserted but the potatoes still hold their shape.
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Melt the butter in a medium saucepan over a low heat. Slowly sweat the shallots and spring onions with a pinch of salt until softened, stirring occasionally, about 10-12 mins. Meanwhile, whisk together the eggs, cream, thyme, cheese and some seasoning. Set aside.
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To make the pastry, melt the butter with 100ml water in a small saucepan and bring to a simmer. Tip the rest of the pastry ingredients and 1 / 2 tsp salt into a large bowl. Make a well in the centre and pour in the butter. Stir with a wooden spoon, then bring together with your hands, kneading lightly for a few mins.
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Grease a large 20-26cm pie dish. On a lightly dusted work surface, roll out two-thirds of the pastry big enough to fill the base and sides of your dish. Use the remaining pastry to roll out a lid.
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Add the potato and shallot mixture to the beaten egg filling, and spoon into your pastry case. Cover with the pastry lid and crimp the edges decoratively.
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Finally, beat the egg yolk with the milk and glaze the pie. Poke a couple of small steam holes in the top, chill for 10 mins, then bake in the oven for 40-45 mins.