👨‍🍳 How to Make Balsamic Roasted Beef Tenderloin

Important Note:
For the juiciest, most flavorful beef, always remove the tenderloin from the oven about 5°F below your target temperature. The meat will continue to cook as it rests, and this pause allows the juices to redistribute evenly throughout the roast.

1. Prepare the Oven and Pan

Preheat your oven to 475°F (245°C). Line a large rimmed baking sheet with parchment paper to prevent sticking and simplify cleanup. Set aside.

If time allows, remove the beef tenderloin from the refrigerator about 20–30 minutes before cooking so it can take the chill off. This helps the meat roast more evenly.

2. Arrange and Season the Beef and Vegetables

Place the trimmed beef tenderloin in the center of the prepared baking sheet. Arrange the halved shallots and mushrooms around the beef in a single layer so they roast evenly.

Pat the beef dry with paper towels — this is key for proper browning. Season the tenderloin, mushrooms, and shallots generously with sea salt and freshly ground black pepper, making sure all sides are evenly seasoned.

3. Make the Balsamic Tapenade Glaze

In a small bowl, combine:

• • Olive oil

• • Dijon mustard

• • Balsamic vinegar

• • Olive tapenade

• • Fresh thyme

Whisk until smooth and well blended. The mixture should be glossy and slightly thick, with the mustard helping the glaze cling to the beef as it roasts.

4. Coat the Beef and Vegetables

Spoon a line of olive tapenade directly down the center of the beef tenderloin. Using a pastry brush or spoon, generously brush the balsamic mixture over the entire surface of the beef, including the sides.

Drizzle any remaining glaze over the mushrooms and shallots, tossing lightly to coat. This allows the vegetables to absorb the same bold, savory flavors as the beef.

5. Roast the Beef

Place the baking sheet in the fully preheated oven. Roast until the beef reaches your desired internal temperature when measured at the thickest part:

• • Rare: about 120–125°F (approximately 20 minutes)

• • Medium-Rare: about 130–135°F (approximately 24 minutes)

• • Medium: about 140–145°F (approximately 26 minutes)

Use a meat thermometer for accuracy and remove the roast from the oven before it reaches the final temperature.

6. Rest the Beef

Transfer the beef to a cutting board or leave it on the baking sheet and loosely tent with aluminum foil. Allow the tenderloin to rest for 15 minutes.

This step is essential. Resting allows the juices that have concentrated in the center during roasting to redistribute throughout the meat, ensuring every slice is tender and juicy rather than dry.

7. Slice and Serve

After resting, slice the beef into thick medallions using a sharp knife. Arrange on a serving platter along with the roasted mushrooms and shallots.

Garnish with fresh thyme sprigs and an optio