Easy Beef Wellington

By Emma
Certified Culinary Professional
Ingredients
Duxelles Mushroom Paste
- 18 ounces cremini mushrooms or substitute mixed wild mushrooms, finely chopped
- 1 medium shallot, chopped
- 3 cloves garlic, minced
- 2 tablespoons unsalted butter
- 1 teaspoon fresh thyme leaves
- 1/2 teaspoon salt
- 1/4 teaspoon black pepper
- 1/4 cup heavy cream
Tenderloin
- 1 (about 2 1/2 to 3 pounds) center-cut beef tenderloin
- Coarse salt and freshly ground black pepper
- 1 tablespoon neutral oil like grapeseed or avocado
- 8-10 thin slices prosciutto
- 3 tablespoons Dijon mustard, or substitute whole grain mustard for added texture
- 1 sheet puff pastry, thawed (about 12x12 inches), plus extra for decoration
- 2 large eggs, beaten for egg wash
- Butcher’s twine
About the ingredients
Method
Duxelles Mushroom Paste
- Start with large food processor, pulse mushrooms, shallot and garlic till thick paste. Too much chopping swamps the pan with moisture. The paste should be chunky-fine, not puree. Let the mushrooms breathe in the pan later to dry fully.
- Heat butter in medium skillet over medium, dump mushroom paste in. Sauté, stir occasionally, about 12 minutes. Watch moisture escape with sizzling sound. When no water pools, paste shrinks and darkens. That dryness is key or soggy Wellington follow.
- Stir in thyme, salt, pepper. Pour cream over and fold in. Cream binds the dry mushroom bits into a thick spreadable paste. Remove from heat, cool completely. Still warm makes pastry soggy. Patience here pays off.
Preparing Tenderloin
- Tie the tenderloin with butcher's twine every 1 1/2 to 2 inches to keep shape. Without twine it puffs weird and cooks unevenly. Rub generously with salt and pepper. I use kosher salt; helps crust before sear.
- Heat skillet to smoking point on med-high; add oil unless seasoned cast iron is your weapon. Sear tenderloin on each side including tips, about 1 minute per side, total 4-5 minutes. You want dark brown crust, not gray. Hear that sear? That’s flavor locked in.
- Cut twine off, discard. Pat tenderloin dry with paper towels—no residual moisture or pastry gets soggy. Bring to room temp briefly if fridge-cold, speeds even cooking.
Assembling Wellington
- Lay large piece of plastic wrap on cutting board vertically. Roll out puff pastry to overlap slightly, pinch edges. Arrange prosciutto slices in single overlapping layer, shingled like roof tiles. Thin, even layer is foundation here.
- Spread Dijon mustard thinly over prosciutto. I swapped plain for whole grain sometimes; texture kicks up a notch. Then spread cooled mushroom paste evenly, keep a 1-inch border clear around edges – stopping edge sogginess and it sticks better.
- Place tenderloin at bottom edge of prosciutto-mushroom wrap. Using plastic wrap edges, roll tightly into log shape, pressing ends to seal. Trim excess pastry but don’t overlap too much or it cooks unevenly, undercooked in thick spots.
- Pinch ends closed, tuck under tenderloin. Optionally wrap again in plastic wrap and twist ends. Chill wrapped log 40-60 minutes. Chill firms shape and sets layers. No chilling, puff pastry flops in oven.
- Preheat oven to 400F (204C). Line baking sheet with parchment. Unwrap tenderloin and place seam side down on tray.
- If you saved puff pastry scraps, cut decorative shapes like leaves or diamonds; attach on top with egg wash. Otherwise score top lightly with paring knife to vent steam and create pattern. Egg wash glues crust and adds deep color.
- Brush entire pastry surface with egg wash. Bake 28-32 minutes till pastry golden brown and puffed. Watch edges; cover with foil if browning too fast. Timing varies with size. Use pastry color and firmness to judge doneness; too pale means undercooked pastry, too dark means burnt.
- Remove from oven, transfer carefully to rack. Rest for minimum 15 minutes before slicing with serrated knife. Don’t skip rest; hot meat loses juices, slicing later keeps tender and moist.
- Serve thick slices with optional brown gravy or red wine sauce. Pan sauces add punch but the Wellington can stand solo.
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Cooking tips
Chef's notes
- 💡 Pulse mushrooms just enough, chunk fine not puree. Too wet makes soggy pastry. Dry out duxelles with sound cues—hear that sizzle? Darken, shrink, no pooling water. Cream adds glue and richness but don’t skip cooling or pastry sogs.
- 💡 Tie tenderloin tightly every inch and a half. Shape holds firmness for even cooking and clean slices. Without twine, uneven puffing ruins shape and mouthfeel. Salt well before sear, use kosher salt for crust. Sear hot but quick, brown all sides for deep flavor.
- 💡 Roll out puff pastry cold and keep edges clear. Overlapping dough leads to doughy patches. Layer prosciutto thin and even, like roof tiles. Mustard layer—go Dijon or grainy—adds texture and zing under mushroom paste. Roll log tight using plastic wrap edges, seal ends well.
- 💡 Chill wrapped tenderloin minimum 40 minutes. Pastry firms, keeps shape and layers defined. No chill means flop or uneven bake. Decorate with pastry scraps glued on with egg wash or score top lightly for steam vents and pattern. Egg wash for golden color and glossy finish.
- 💡 Watch oven edges closely. Bake 28-32 min at 400F. Pastry color and puff matter more than times. Too pale=undercooked dough; too dark=burnt flavor. Rest at least 15 min on rack to redistribute juices. Slicing hot loses moisture, dry meat. Serrated knife best for clean cutting, less squish.
Common questions
How dry should the duxelles be?
Mushrooms shrink visibly, no water puddling. Listen for sizzle sound, darken color. Wet paste kills pastry crisp; cream binds but cool first or soggy layers.
Can I use bacon instead of prosciutto?
Yes, but fattier and less salty barrier. Might leak more fat causing soggy pastry. Pat dry bacon well, expect flavor difference but still works. Prosciutto preferred for salt and texture.
What if my tenderloin puffs uneven in oven?
Usually tied too loosely or not chilled enough. Twine tight, chill wrapped log to firm shape. You can rewrap or press gently after rolling. Uneven sear makes spots cook differently too.
How to store leftovers?
Wrap airtight, fridge up to 2 days max. Reheat low oven or slice cold in sandwiches. Avoid microwave; pastry soggy. For longer, freeze wrapped log before baking, thaw overnight, then bake fresh.



