Every failure is a soggy bottom, and the fix is drying the meat out before it ever meets pastry: sear the tenderloin, chill it, and cook the mushroom duxelles until bone-dry so no steam sweats into the crust. Wrap it in prosciutto to hold that moisture off the dough.
Ad-free · ingredients first · no 2,000-word story.
Published July 2026 · Sourcing verified 5 Jul 2026
Prep1 hr
Cook45 min
Makes6 servings
CuisineBritish
Part One
The Ingredients — and where to get them
Beef tenderloin
A center-cut, even-thickness piece so it cooks evenly. Grass-fed roasts have real beef flavor under all that pastry.
An egg wash for gloss, a smear of mustard on the beef, thyme in the mushrooms. Fresh.
to taste
Local / market
One list, with a link to where to buy each one.
Part Two
The Method
Sear and chillSalt the tenderloin, sear it hard on all sides, brush with mustard, and chill it fully. Cold beef keeps the pastry crisp.
Dry the duxellesCook the minced mushrooms down until every drop of water is gone and the pan is dry. This is the anti-sog step.
Wrap tightLay prosciutto on plastic, spread the duxelles, roll the beef inside into a tight log, and chill again.
Pastry and bakeWrap in puff pastry, seal the seam, egg-wash, and bake hot until the crust is deep gold and the center hits 125F for medium-rare. Rest 10 min.
No ads. No life story. Just dinner.
This is recipe No.703 — the real method, ingredients first, and exactly where to buy the best version of every one. See all the recipes →