Mushroom & Tunworth cheese pies

Soft, nutty, camembert-like Tunworth is the star of this dish from Jamie Oliver Its gorgeous truffle flavour goes perfectly with the mushroom. This recipe is for 6 individual pies. 

 Ingredients- 
1 good handful of porcini mushrooms
4 cloves of garlic
2 onions
½ a bunch of fresh thyme
300 g Maris Piper potatoes
olive oil
1 large knob of butter
1 kg fresh mixed mushrooms
500 ml organic vegetable stock
½ a bunch of fresh flat-leaf parsley
120 g Tunworth cheese
plain flour , for dusting
500 g all-butter puff pastry
1 large free-range egg
2 heaped teaspoons English mustard , plus extra to serve
1 tablespoon Worcestershire sauce

• Before you start, soak the porcini mushrooms in boiling water and set aside.
• Peel and finely slice the garlic and onions (keep them separate), and pick the thyme leaves. Dice the potatoes.
• Heat a lug of oil in a large pan and fry the garlic, thyme leaves and butter over a medium heat until lightly golden.
• Add the onions, turn down the heat and sauté for 10 minutes, or until soft and sticky, but not coloured.
• Add the fresh mushrooms, turn up the heat and fry hard and fast for 5 minutes.
• Fish out and chop half of the soaked porcini, add to the pan and fry for a few more minutes.
• Add 350ml of the stock and the potatoes and season well. Bring to the boil, then turn down the heat and simmer for 30 minutes.
• Using a stick blender, blitz the mushrooms just a little – you want them to still be fairly chunky.
• Pick and roughly chop the parsley leaves, then stir about half into the mix.
• Divide the filling between 6 small pie dishes, reserving 4 heaped tablespoons for later.
• Chop the Tunworth into 1-2cm pieces and scatter evenly into each of the pie dishes.
• Preheat the oven to 200°C/400°F/gas 6.
• To make the lids, roll out the pastry on a flour-dusted surface to roughly the thickness of a pound coin.
• Cut into 6 pieces, to the shape of your pie dishes, and lay one over the top of each, tucking the edges down slightly. Carefully score each pie lid with a crisscross, then gently press your thumb in the middle of each one to make a well (without puncturing the pastry).
• Beat the egg and brush it over the pies, then place in the oven for 15 to 20 minutes, or until puffed up and beautifully golden.
• Now to make the sauce. In a pan, stir the mustard and Worcestershire sauce into the remaining filling.
• Pour in the leftover porcini liquid, then roughly chop the remaining porcini and add to the mix.
• Place the pan over a high heat, pour in the remaining stock and bring everything to the boil. Stir in the rest of the parsley a minute or two before the end, then blitz in a liquidiser until smooth and pour into a jug.
• To serve, pour the gravy into the wells of the pies, and serve with a dollop of English mustard.