Perfectly Roasted Beef Tenderloin with Pickled Red Onion: A Simple Recipe for All Occasions

If you want a dish that feels special but is easy to make, try Tender Roasted Beef Tenderloin Topped with Tangy Pickled Red Onion. This recipe is perfect for any occasion, whether it’s a holiday, a family dinner, or a celebration with friends. The tender beef, roasted to perfection, paired with the zesty and tangy kick of pickled red onions, creates a flavor combination that is irresistible.

Why This Recipe Works

Roasted beef tenderloin is known for its rich and juicy flavor, and when paired with pickled red onions, it becomes something truly special. The tangy, slightly sweet onions cut through the richness of the beef, balancing the flavors in every bite. This recipe is not only tasty but also versatile – it works well for a formal dinner, a holiday feast, or a simple weeknight meal. The pickled onions can be made ahead of time, which makes the cooking process quick and easy when you’re ready to serve.

Ingredients for Tender Roasted Beef Tenderloin with Pickled Red Onion

Here’s what you need for the beef and the pickled onions:

For the Beef:

  • 1 (2-3 lb) Beef Tenderloin (trimmed)
  • 2 tbsp Olive oil
  • 2 tsp Kosher salt
  • 1 tsp Freshly ground black pepper
  • 2-3 tbsp Fresh rosemary (or thyme)
  • 4-5 cloves Garlic (minced)

For the Pickled Red Onion:

  • 1 Red onion (thinly sliced)
  • 1/2 cup White vinegar
  • 1/4 cup Water
  • 2 tbsp Sugar
  • 1 tbsp Salt
  • 1/2 tsp Mustard seeds (optional)
  • 1/2 tsp Red pepper flakes (optional for extra spice)

Step-by-Step Instructions

Preheat the Oven

Start by preheating your oven to 400°F (200°C). Next, prepare your beef tenderloin. Rub the entire roast with olive oil, then season it generously with kosher salt, black pepper, minced garlic, and rosemary (or thyme). Massage the seasoning into the meat to make sure it’s evenly coated.

Sear the Beef

Heat a skillet over medium-high heat and sear the beef tenderloin on all sides for about 3-4 minutes, or until it’s golden brown. This step helps to lock in the flavors and juices.

Roast the Beef

Once the beef is seared, transfer it to a roasting pan and place it in the preheated oven. Roast for 25-35 minutes, or until the internal temperature reaches 125°F (for medium-rare). After removing the beef from the oven, let it rest for 10 minutes so the juices can redistribute.

Prepare the Pickled Onions

While the beef is roasting, you can prepare the pickled red onions. In a small saucepan, combine the vinegar, water, sugar, salt, and mustard seeds (if you’re using them). Bring the mixture to a simmer, stirring until the sugar dissolves. Pour the hot brine over the thinly sliced onions in a bowl or jar. Let the onions sit for at least 15 minutes or until they’re softened and have absorbed the flavors.

Serve the Dish

Once the beef has rested, slice it into 1-inch thick slices. Serve each slice topped with a generous portion of the pickled red onions. For extra flavor, you can drizzle some of the pickling liquid over the beef as well.

Tips for Success

  • Pickled Red Onions: Make the pickled onions in advance! You can prepare them 1-2 days ahead of time to allow the flavors to develop more.
  • Don’t Overcook the Beef: To get the best texture, avoid overcooking the beef. Use a meat thermometer to check the internal temperature and remove the beef when it’s a few degrees shy of your preferred doneness.
  • Customize the Pickling: Feel free to adjust the sweetness or spiciness of the pickled onions. Add more sugar for a sweeter flavor, or add red pepper flakes for a spicy kick.

Why You’ll Love This Dish

This Tender Roasted Beef Tenderloin with Tangy Pickled Red Onion is easy to make but packed with flavor. The tender beef paired with the tangy onions makes a perfect balance of savory and sweet. It’s also a versatile dish that works well for any occasion, whether it’s a special dinner or a casual meal with the family.

Even if you’re new to cooking, this recipe is simple to follow and will impress your guests. The combination of juicy beef and zesty onions is sure to be a hit at your table.

Conclusion

This dish is an incredible way to enjoy a juicy, flavorful roast beef with a twist. The addition of pickled red onions adds a fresh and tangy contrast to the richness of the beef. Whether you’re serving it at a special dinner or a family meal, this recipe is sure to be a favorite. Don’t forget to share it with your loved ones!

Enjoy making this flavorful dish and surprise your family or friends with something truly delicious. It’s simple, tasty, and sure to impress anyone who tries it!

Purple Basil LLC

FAQs

Can I make the pickled red onions ahead of time?

Yes, you can prepare the pickled onions 1-2 days in advance for more flavor.

How do I know when the beef is cooked perfectly?

Use a meat thermometer to check that the beef reaches an internal temperature of 125°F for medium-rare.

Can I use other herbs instead of rosemary?

Yes, you can substitute rosemary with thyme or other herbs of your choice.

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