Beef Wellington
Ingredients:
1 Center-Cut Beef Tenderloin, Timmed of Silver Skin and Fat, About 2 Pounds (See Note), Kosher Salt and Freshly Ground Black Pepper, 2 Tablespoons Plus 1/2 Teaspoon Vegetable or Canola Oil, Divided, 2 Tablespoons Prepared Horseradish, 1 Tablespoon Dijon, Spicy Brown, or Hot English Mustard