Diary of a Chef · Just Chefn Around

Beef Wellington

3 hours · 1 serving

By Diary of a Chef

Ingredients

• 1 premade puff pastry sheet, thawed cold — never balled or rewadded
• 1 beef filet (3–4 oz), trimmed
• 1 egg yolk
• 1 tbsp cream (for egg wash)
• 8 oz baby bella mushrooms (for the duxelles)
• 1 small shallot, minced
• 1 garlic clove, minced
• 1 tbsp unsalted butter
• 1/2 tsp fresh thyme leaves
• 1 tbsp cognac
• to taste kosher salt and black pepper
• 3 oz large spinach leaves (baby spinach works in a pinch)
• high smoke-point oil

Instructions

1. 1Sweat the aromatics

   Butter over medium; shallot and garlic alone until translucent, no color.

2. 2Wet phase

   Add the mushrooms, salt, and pepper. They weep and steam.

3. 3Drive it dry

   Raise the heat and cook until bone dry: drag a spoon across the pan and the channel must stay clear, no liquid creeping back.

4. 4Cognac

   Off heat, add cognac; back on and cook dry again. Thyme in; taste.

5. 5Cold-plate test

   A spoonful on the freezer plate: if a water ring forms, back in the pan. No shortcuts.

6. 6Chill the duxelles

   Spread thin on a tray and freeze about 15 minutes until cold and spreadable.

7. 7Hard sear

   Screaming-hot pan; filet patted dry, oil on the meat, seasoned. Sear all sides ~60 seconds each for a deep crust only — the inside stays raw.

8. 8Chill the filet

   Fridge uncovered until fully cold; pat dry again.

9. 9Blanch and press spinach

   10–15 seconds in boiling water, straight to ice. Press the leaves dry twice — spinach is the hidden water source that ruins the bottom.

10. 10Build in the ring

    Plastic wrap lining a ring mold, overhang out. Spinach leaves for floor and walls. Cold filet in. Spoon duxelles on top and press level to about ½ inch. Fold leaf ends over, patch gaps, twist into a purse. Freezer 10–15 minutes, then remove the ring.

11. 11Cut pastry discs

    From the sheet: one bottom (~5 in) and one top (~8 in — drape-test over the bundle). Keep discs cold.

12. 12Assemble

    Bottom disc → egg wash the top face → bundle placed cap-up → drape the large disc from the crown, chasing air out downward → stamp through both layers → crimp hard → egg wash → score → vent.

13. 13Hold

    Fridge, uncovered, until bake time. This is the make-ahead window.

14. 14Preheat

    Oven 400–410°F with the flat sheet pan inside.

15. 15Final chill + fresh wash

    Pastry to the freezer 15 minutes, then a fresh coat of egg wash.

16. 16Bake on the hot sheet

    Parchment onto the hot sheet, middle rack. Probe around 12 minutes. Pull at 110–120°F internal — the thermometer ends the bake, never the color. About 18–25 minutes for a 3–4 oz filet.

17. 17Rescue broil

    If pale at temp: watched broiler, about 90 seconds, then out.

18. 18Rest

    Untouched 10–15 minutes. Then carve — burnished pastry outside, rosy medium-rare center, duxelles just set.