Gordon Ramsay's recipe makes the perfect prepare-ahead Christmas Day main course, a show-stopping alternative to turkey.
Heat oven to 220C/fan 200C/gas 7. Sit the beef on a roasting tray, brush with 1 tbsp olive oil and season with pepper, then roast for 15 mins for medium-rare or 20 mins for medium. When the beef is cooked to your liking, remove from the oven to cool, then chill in the fridge for about 20 mins.
While the beef is cooling, chop the mushrooms as finely as possible so they have the texture of coarse breadcrumbs. You can use a food processor to do this, but make sure you pulse-chop the mushrooms so they don't become a slurry.
Heat 2 tbsp of the oil and all the butter in a large pan and fry the mushrooms on a medium heat, with the thyme sprig, for about 10 mins stirring often, until you have a softened mixture. Season the mushroom mixture, pour over the wine and cook for about 10 mins until all the wine has been absorbed. The mixture should hold its shape when stirred. Remove the mushroom duxelle from the pan to cool and discard the thyme.
Overlap two pieces of cling film over a large chopping board. Lay the prosciutto on the cling film, slightly overlapping, in a double row. Spread half the duxelles over the prosciutto, then sit the fillet on it and spread the remaining duxelles over. Use the cling film's edges to draw the prosciutto around the fillet, then roll it into a sausage shape, twisting the ends of cling film to tighten it as you go. Chill the fillet while you roll out the pastry.
Roll out a third of the pastry to a 18 x 30cm strip and place on a non-stick baking sheet. Roll out the remaining pastry to about 28 x 36cm. Unravel the fillet from the cling film and sit it in the centre of the smaller strip of pastry and brush the pastry's edges, and the top and sides of the wrapped fillet, with beaten egg yolk. Using a rolling pin, carefully lift and drape the larger piece of pastry over the fillet, pressing well into the sides. Trim the joins to about a 4cm rim. Seal the rim with the edge of a fork or spoon handle. Glaze all over with more egg yolk and, using the back of a knife, mark the beef Wellington with long diagonal lines taking care not to cut into the pastry. Chill for at least 30 mins and up to 24 hrs.
Heat oven to 200C/fan 180C/gas 6. Brush the Wellington with a little more egg yolk and cook until golden and crisp - 20-25 mins for medium-rare beef, 30 mins for medium. Allow to stand for 10 mins before serving in thick slices.
Sealing the pastry
Use the rounded end of a fork or spoon handle to seal the edges rather than the prongs of a fork - using the prongs will only pierce the pastry rather than joining it.
Keep it air-free
Drape over the top layer of pastry very carefully, smoothing it down with your hands as you go. You don't want any air trapped between the pastry and the meat.
Lower the chances of the edges separating by giving yourself lots of room - and don't trim the pastry too close to the meat.
Brush the meat as well as the pastry with egg wash. This will make the top layer of pastry stick to the meat and stop it from rising and leaving a gap.
Use up leftover pastry
Any leftover pastry is fine to use for something else, even if covered in egg. Simply roll it into a ball and refrigerate until needed.
View line-by-line Nutrition Insights™: Discover which ingredients contribute the calories/sodium/etc.
|Serving Size: 1 Serving (367g)|
|Recipe Makes: 6|
|Calories from Fat: 932 (73%)|
|Amt Per Serving||% DV|
|Total Fat 103.6g||138 %|
|Saturated Fat 34.5g||173 %|
|Monounsaturated Fat 50.4g|
|Polyunsanturated Fat 10g|
|Cholesterol 161.8mg||50 %|
|Sodium 699.4mg||24 %|
|Potassium 794.7mg||21 %|
|Total Carbohydrate 40.1g||12 %|
|Dietary Fiber 1.7g||7 %|
|Sugars, other 38.4g|
|Protein 42.7g||61 %|
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Calories per serving: 1269
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