Authentic British Beef Wellington

By AislePrompt Editorial · ·

How this recipe was made — this recipe was drafted by AislePrompt's AI-assisted pipeline from technique templates and USDA-sourced nutrition data, and published by AislePrompt Editorial — see how AislePrompt recipes are developed and reviewed.

A genuinely traditional dish featuring tender beef wrapped in puff pastry, true to historic English cuisine. This British-inspired one-pot recipe, ready in about 73 minutes, pairs beef tenderloin, dijon mustard, puff pastry for a weeknight-friendly dinner that comes together with one pan and minimal cleanup. Each serving lands at about 680 calories and feeds 4, so it slots cleanly into a weekly meal plan and pairs well with a quick salad or grain on the side. Tap "Plan a meal with the AI" below to drop this recipe into your week and send the ingredients straight to Instacart. Nutrition values are approximate, calculated from USDA FoodData Central (fdc.nal.usda.gov) — verify against ingredient labels for any health-driven dietary plan.

Prep: 45 min Cook: 28 min Serves 4 British cuisine 680 cal/serving
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Ingredients

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Instructions

  1. Step 1: Pat 1.5 lbs beef tenderloin dry with paper towels, then spread 2 tbsp dijon mustard evenly over surface; wrap tightly in plastic wrap and refrigerate for 30 minutes.
  2. Step 2: Sauté 8 oz sliced mushrooms and 2 minced shallots in 2 tbsp butter over medium heat for 12 minutes until golden and liquid evaporated, stirring in 1 tbsp fresh thyme.
  3. Step 3: Roll out 1 sheet puff pastry to 12x9 inches; spread mushroom mixture evenly over pastry, leaving 1-inch border.
  4. Step 4: Place chilled beef on center of pastry, fold edges over beef, and seal seams with egg wash; brush entire surface with 1 beaten egg.
  5. Step 5: Bake at 400°F for 25-28 minutes until pastry is deep golden and internal temperature reaches 125°F for medium-rare, then rest 10 minutes before slicing.

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