Mom's Best Recipes
Recipe

Hearty Fillet Wellington Recipe

Crispy puff pastry, a juicy beef fillet, and a savory mushroom filling with real depth. This is the cozy, crunchy centerpiece you make when you want people to go quiet at the table.

Author By Matt Campbell
4.8
A golden, flaky beef Wellington sliced to show a rosy beef center and mushroom layer on a cutting board with a small bowl of sauce nearby

Beef Wellington has a reputation. It is either the most impressive thing you have ever served, or a pastry crime scene with a soggy bottom and overcooked beef. We are going for the first one, obviously.

This hearty fillet Wellington is all about crisp edges, a deeply savory mushroom duxelles, and a beef center that stays tender and rosy. The best part is the process is not hard, it is just step-by-step. We chill at the right times, we keep moisture under control, and we bake hot so the puff pastry does the dramatic, crunchy thing it was born to do.

Hands wrapping a seared beef tenderloin in prosciutto and mushroom duxelles on plastic wrap on a kitchen counter

If you have ever wanted to make a restaurant-style centerpiece at home without needing a culinary degree or a stress nap, this is your moment. Taste as you go. Keep it fun. And yes, a little chaos is allowed.

Why It Works

  • Crispy, crunchy pastry: We bake hot and chill the wrapped Wellington so the puff pastry puffs instead of melting.
  • No soggy bottom: The duxelles gets cooked down until nearly dry, and we use prosciutto as a moisture barrier.
  • Juicy beef fillet: A quick sear builds flavor fast, then the oven finishes it gently inside the pastry.
  • Make-ahead friendly: You can assemble the Wellington hours ahead, then bake when guests arrive so it feels effortless.

Pairs Well With

Storage Tips

Wellington leftovers are rare, but if you pull it off, here is how to keep the crunch as much as possible.

Refrigerate

  • Cool slices completely, then store in an airtight container.
  • Best within 2 to 3 days.

Reheat (best method)

  • Heat oven to 375°F.
  • Place slices on a wire rack over a sheet pan and warm for 10 to 15 minutes until the pastry re-crisps.
  • Avoid the microwave if you want crunchy pastry. It will soften fast.

Freeze

  • You can freeze baked slices wrapped tightly for up to 1 month.
  • Thaw overnight in the fridge, then reheat at 375°F until hot.

Common Questions

What cut of beef should I use for fillet Wellington?

Use center-cut beef tenderloin (also called fillet). It is tender, evenly shaped, and cooks predictably. If your piece is skinny on one end, tuck it under and tie it briefly with kitchen twine for an even thickness, then remove the twine after searing.

How do I keep Wellington from getting soggy?

Three things: cook the mushrooms until they are very dry, wrap the beef with prosciutto as a barrier, and chill the assembled Wellington before baking so the pastry hits the oven cold and puffs fast.

Can I make Beef Wellington ahead of time?

Yes. Assemble up through the final puff pastry wrap, then refrigerate up to 24 hours. For best pastry texture, aim for 12 to 18 hours and keep it tightly wrapped so it does not dry out or absorb fridge odors. Brush with egg wash and bake right before serving. If it is very cold from the fridge, you may need an extra 3 to 5 minutes in the oven.

What internal temperature should I aim for?

It depends on preference and how cold your Wellington is going into the oven. For a classic rosy center, pull it when the beef hits 120 to 125°F (medium-rare) and rest 10 minutes. If you want a deeper medium-rare, pull at 125 to 130°F. For medium, still a little pink, pull at 130 to 135°F. For true medium, pull closer to 135 to 140°F. Carryover cooking is real, especially with thicker tenderloins.

Do I really need a thermometer?

For this recipe, it is the lowest-drama insurance policy you can buy. Puff pastry hides the beef, so you cannot rely on visuals. A quick probe check prevents heartbreak.

Can I skip the prosciutto?

You can, but it helps a lot. If you do not eat pork, use very thin slices of bresaola or even a thin layer of crepes as a moisture barrier. The goal is the same: keep pastry dry.

Any food safety notes?

Wellington is usually made with a whole-muscle tenderloin, which is fine cooked medium-rare. If your tenderloin has been blade-tenderized (sometimes labeled), cook to a higher temperature for safety.

The first time I made Wellington at home, I treated it like a magic trick. I did not respect moisture, I rushed the chilling, and I opened the oven like I was checking on a newborn. The pastry went soft, the beef went gray, and I still ate it because I am not a quitter.

Now I make it like a calm friend with a plan: dry mushrooms, cold pastry, and a quick thermometer check. It is still a little chaotic because cooking should be fun, but the results are the kind that make you slice in and immediately hear, “Oh wow.”