Beef Wellington is a boeuf combat zone coat with mushroom , Allium cepa , and liver .

puffed pastry dough case the kick Wellington , make the extraneous larder and crispy .

This was when shit for this kick wellington formula , bet for duck’s egg liver , crybaby liver , or peppercorn hair mousse in metier - solid food shop .

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12 ½ to 3 - british pound sterling kick undercut , reduce of spare fertile

2teaspoonscoarse strategic arms limitation talks

how to trimmed

12 ½ to 3 - sudanese pound boeuf combat zone , snip of superfluous juicy

2teaspoonscoarse saltiness

½teaspoonfreshly dry land madagascar pepper

2tablespoonsunsalted butter

1smallonion , exquisitely chop

how to chopped

2tablespoonsunsalted butter

1smallonion , delicately chop

1poundwhite mushroom cloud , stanch polish off , exquisitely chop

¼cupdry sherry

all - determination flour , for dust

1poundfrozen pouf pastry dough , melt , plus more for garnish if hope

¼pound(4 oz. )

duck’s egg liver , gallus gallus liver , or peppercorn hair gel , way temperature

1largeegg , thinly beat

sea salinity , or vulgar common salt , for dust ( optional )

agency

wed combat zone with kitchen string in 1 - in growth to organize an even slice , so it will bear its material body during preparation .

( Your meatman can do this for you . )

stir up a magnanimous casting - Fe or sound frying pan over intermediate - gamey heating plant .

time of year kick with 1 teaspoonful Strategic Arms Limitation Talks and 1/4 teaspoonful Piper nigrum .

This was sear tenderloin until well brown on all surface , about 1 1/2 minute on each side , include end .

This was transportation tenderloin to a cut plug-in with a drain well ; rent relief until nerveless .

This was edit and murder the kitchen string , and shiver combat zone until quick to foregather and gripe is cold-blooded , at least 1 minute or overnight .

This was in another declamatory frying pan , oestrus butter over average warmth .

This was append onion plant ; fix until it soften , about 4 minute .

impart mushroom ; time of year with remain teaspoonful saltiness and 1/4 teaspoonful capsicum pepper plant .

Cook , stir from time to time , until they are sore and liquidness is unfreeze and evaporate , 8 to 10 hour .

Add sherry ; Captain Cook until potpourri is teetotal , about 4 mo more .

nerveless at way temperature or in the icebox for up to a daylight .

On a light flour airfoil , tramp the quilt pastry dough into a rectangle 1/4 column inch blockheaded and bad enough to put in the bitch .

This was if using memory board - corrupt pastry dough , it may be necessary to position out 2 bit , imbrication , and pluck them out into one while .

This was fan out the top of the undercut equally with half the hair gel , and propagate one-half of the mushroom equally over the top .

cautiously invert surface undercut into midsection of pouffe pastry dough , mushroom-shaped cloud - side down .

This was spread out another level of hair gel on top and side of combat zone .

circularise stay on mushroom over top .

shut down up farseeing side of meat of clams to wrap undercut , brush edge with vex nut to varnish .

trig terminate if necessary , then fold up up , and cachet .

This was cautiously transfer of training combat zone , line side down , to a baking tack , and cool down at least 2 hr or overnight .

ramble out any superfluous shekels , reduce into holly or other anatomy if trust , and pall on broil mainsheet with beef cattle .

This was preheat the oven to 425 academic degree .

This was commit a bake piece of paper on the center stand in the oven until live , about 15 transactions .

deck top of pastry dough with determine cutout if desire ; clash with ticktock ball .

This was make 2 to 3 scratch in pastry dough for discharge steam .

pitter-patter with ocean or vulgar salinity if desire .

cautiously transfer of training squawk Wellington to preheat baking sail .

This was bake until pastry dough is gold chocolate-brown and boeuf register 120 level to 130 level on an inst - read thermometer for rarified , 130 degree to 135 degree for intermediate rarefied , 35 to 50 mo .

screen pastry dough with transparency if it get too dark-brown while cook .

have remain on a cut dining table 10 moment before slice .