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How long to cook beef tenderloin in oven?

HotBotBy HotBotUpdated: August 15, 2024
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Understanding Beef Tenderloin

Beef tenderloin, also known as filet mignon when sliced into steaks, is one of the most luxurious and tender cuts of beef. It comes from the loin of the cow and is renowned for its buttery texture and mild flavor. Cooking this premium cut to perfection requires both precision and an understanding of various factors including size, desired doneness, and oven temperature.

Factors Affecting Cooking Time

Several factors influence the cooking time for beef tenderloin in the oven:

  • Weight and Size: Larger cuts will naturally take longer to cook than smaller ones.
  • Oven Temperature: Higher temperatures cook the meat faster but can risk uneven cooking.
  • Desired Doneness: Whether you want your tenderloin rare, medium-rare, medium, or well-done will significantly affect the time it needs in the oven.
  • Starting Temperature: Whether the beef is at room temperature or straight from the fridge can also influence cooking time.

Oven Temperature Guidelines

Choosing the right oven temperature is crucial for cooking beef tenderloin. Here are some general guidelines:

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  • High Heat (450°F/230°C): This is ideal for a quick sear and for smaller cuts. However, it requires close monitoring to avoid overcooking.
  • Moderate Heat (375°F/190°C): A balanced temperature that allows for a more controlled cooking environment, ideal for medium-sized cuts.
  • Low Heat (250°F/120°C): Perfect for larger cuts or when using a reverse-sear method to ensure even cooking throughout.

Cooking Times by Weight and Doneness

Here are some approximate cooking times for beef tenderloin based on weight and desired doneness when cooked at 375°F (190°C):

  • 2-3 pounds (0.9-1.4 kg):
    • Rare (120°F/49°C): 25-30 minutes
    • Medium-Rare (130°F/54°C): 30-35 minutes
    • Medium (140°F/60°C): 35-40 minutes
    • Well-Done (160°F/71°C): 40-45 minutes
  • 4-5 pounds (1.8-2.3 kg):
    • Rare (120°F/49°C): 45-50 minutes
    • Medium-Rare (130°F/54°C): 50-55 minutes
    • Medium (140°F/60°C): 55-60 minutes
    • Well-Done (160°F/71°C): 60-65 minutes

Step-by-Step Cooking Instructions

To achieve the perfect beef tenderloin, follow these detailed steps:

1. Preparation

  • Remove the beef tenderloin from the refrigerator at least 1 hour before cooking to allow it to come to room temperature.
  • Trim any excess fat and silver skin from the meat.
  • Season generously with salt, pepper, and any other desired herbs or spices.
  • Preheat your oven to the chosen temperature (375°F/190°C for balanced cooking).

2. Searing

  • Heat a large skillet over medium-high heat and add a tablespoon of oil.
  • Sear the tenderloin on all sides until a golden-brown crust forms, about 2-3 minutes per side.
  • Transfer the seared tenderloin to a roasting pan or oven-safe skillet.

3. Roasting

  • Place the tenderloin in the preheated oven.
  • Insert a meat thermometer into the thickest part of the tenderloin to monitor internal temperature.
  • Roast until the thermometer reads the desired doneness temperature (see above for guidelines).

4. Resting

  • Once the tenderloin reaches the desired internal temperature, remove it from the oven.
  • Tent the meat with aluminum foil and let it rest for at least 15 minutes. This allows the juices to redistribute throughout the meat.

Special Techniques

Reverse Searing

Reverse searing involves cooking the beef tenderloin at a low temperature initially and then finishing with a high-heat sear. This method ensures even cooking and a perfect crust.

  • Preheat the oven to 250°F (120°C).
  • Place the seasoned tenderloin in the oven and cook until it reaches an internal temperature of 10-15°F below the desired final temperature.
  • Remove from the oven and let it rest for 10 minutes.
  • Sear the tenderloin in a hot skillet for 1-2 minutes per side to form a crust.

Resting and Carving

Proper resting and carving are crucial for maintaining the tenderness and juiciness of your beef tenderloin. Always let the meat rest for at least 15 minutes after cooking. When carving, use a sharp knife and slice against the grain for maximum tenderness.

Serving Suggestions

Beef tenderloin pairs exquisitely with a variety of sides and sauces. Consider serving with:

  • Classic Béarnaise or Hollandaise sauce
  • Garlic mashed potatoes
  • Roasted vegetables, such as carrots and Brussels sprouts
  • Red wine reduction or a mushroom demi-glace

Final Considerations

Cooking beef tenderloin in the oven is a culinary art that combines science, intuition, and a touch of patience. By understanding the factors that influence cooking time and by following meticulous preparation and cooking steps, you can achieve a tenderloin that is nothing short of perfection.

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