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Mushroom and Chestnut Wellington with Porcini Sauce

Mushroom and Chestnut Wellington with Porcini Sauce

“Whoever said life is too short to stuff a mushroom wants to taste this and think again. If you buy the large mushrooms in supermarkets look for those that come in packs of 4 rather than 3. For a speedier version, you could just leave out the puff pastry and bake the stuffed mushrooms to serve with the sauce.”

By Merchant Gourmet Cook, Alex Mackay

  • Serves 4

  • 1 hour

  • 3 pans

  • Expert

Suitable for vegetarians

Dried Porcini Mushrooms

Ingredients

  • 1, 325-375g (the brands change, you need a rectangle of 35 cm x 23 cm) pack pre-rolled puff pastry (butter puff if possible)
  • 8 large mushrooms, each maximum 7-8cm diameter
  • 1 x 250g pouch of Merchant Gourmet Simply Cooked Puy Lentils
  • 180g Merchant Gourmet Whole Chestnuts, separated, 8 cut into quarters, the rest finely diced
  • 1 20g (average supermarket size) bunch of chives, sliced
  • 3 cloves of garlic, peeled and finely chopped
  • 1, 250g tub crème fraiche (half fat if you prefer)
  • 1 egg yolk beaten with 1 tsp milk
  • 1, 25g pack of Merchant Gourmet Dried Porcini Mushrooms soaked in 250ml boiling water for 5 minutes
  • Salt and black pepper

Instructions

Prep Ahead The lentil mixture can be made a day ahead. The wellingtons can be made at least 2 hours ahead of cooking. The sauce can be made, up to the point of adding the crème fraiche, a good day ahead.

1.Pre-heat your oven to 220C / 425F / Gas Mark 7. Position, upper middle shelf. Boil your kettle.

2.Start with the puff pastry. Unroll it carefully. Cut the pastry into 4 even sized (approx. 17cm x 13cm) rectangles. Put the pastry in the coldest part of your fridge, it is much easier to work with when it is cold.

3.Next, prepare the mushrooms. Get a baking tray and a large bowl. Put the mushrooms, round side down on the tray. Pull out their stalks. Chop the stalks into lentil size pieces. Put them in the bowl. Add the lentils, the chopped (but not the quartered) chestnuts, 4 tbsp crème fraiche, 6 tbsp sliced chives and the garlic. Season to taste with salt and pepper.

4.Season the mushrooms with salt and pepper. Mix half the of crème fraiche with the lentil mixture then put an eighth of the mixture in each mushroom and squash them down. Turn one mushroom on top of the other, quickly so that the lentils don’t fall out, to make four sandwiches.

5.Next make the egg wash. Get a small bowl. Add the egg yolk and milk. Mix together with a fork.

6.Get the puff pastry rectangles out of the fridge. Brush them with egg wash. With the egg washed side facing down, put the pastry rectangles over the top of the mushrooms. Cup your hands over the top, mould the pastry around the mushrooms, the main thing is that you cover the join; depending on the size of the mushrooms, you may need to stretch the pastry slightly on the thinner side of the rectangles. Brush the pastry generously all over with egg wash. Bake the mushrooms for 18-20 minutes in the pre-heated oven until the pastry is golden.

7.Make the porcini sauce while the mushrooms bake. Rehydrate the porcini mushrooms, as per teh pack instructions. Once rehydrated, lift the porcini out of the water, pour the residual stock carefully into a small saucepan, there may be a little grit near the bottom, throw this away. Chop the porcini as finely as you can. Add the chopped porcini to the pan. Put the pan onto a high heat. Bring to the boil. Reduce by 1/3. Take the pan off the heat.

8.When the pies are ready and golden, stir the remaining crème fraiche (you’ll have about 130g) and sliced chives into the sauce. Warm the sauce through but don’t boil it. Season to taste. Serve with the mushroom wellingtons.

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