Ingredients

  • 1 whole beef tenderloin, 5 pounds or under, trimmed
  • 2 tablespoons butter
  • Salt
  • Freshly ground black pepper
  • 8 tablespoons butter
  • 20 tourneed small white potatoes
  • 1 tablespoon finely chopped parsley
  • 3 tablespoons white vinegar
  • 3 tablespoons white wine
  • 10 peppercorns, crushed
  • 2 tablespoons finely chopped shallots
  • 1 tablespoon chopped tarragon
  • 1 tablespoon water
  • 3 egg yolks
  • 1 cup unsalted butter, melted
  • 1 tablespoon finely chopped parsley leaves

Method

  • Preheat the oven to 400 degrees F. Season the beef with salt and pepper.
  • In a large skillet, over high heat, melt the butter.
  • Add the beef and sear for a couple of minutes on each side.
  • Place in the oven and roast for 20 to 25 minutes for medium rare.
  • Remove from the oven and rest for 5 minutes before slicing.
  • Serve with potatoes and chateaubriand sauce
  • For the potatoes: In a saute pan, over medium heat, melt 8 tablespoons of butter.
  • Add the potatoes and season with salt and pepper.
  • Saute the potatoes for 3 to 4 minutes.
  • Place the potatoes in the oven and roast the potatoes until golden brown and tender, about 20 minutes, shaking the pan every 5 minutes.
  • Remove from the oven and add the parsley.
  • For the Sauce: In a saucepan, combine the vinegar, wine, peppercorns, shallots, and tarragon.
  • Bring the liquid to a boil and reduce to 1 tablespoon.
  • Add 1 tablespoon of water.
  • Combine the reduced liquid and egg yolks in a stainless bowl, over simmering water.
  • Whisk until frothy.
  • In a steady stream, add the butter until the sauce thickens.
  • Season with salt and pepper.
  • Strain the sauce through a chinois and set aside.