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Crockpot Brown Sugar Balsamic Beef Tenderloin

Crockpot Brown Sugar Balsamic Beef Tenderloin

Discover the ultimate weeknight wonder with this Crockpot Brown Sugar Balsamic Beef Tenderloin. This incredibly easy recipe delivers restaurant-quality flavor with minimal effort, making it perfect for busy families or impressing guests without the stress. Get ready for a tender, succulent roast that practically melts in your mouth, infused with a sweet and tangy balsamic glaze that will have everyone asking for seconds.
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Prep Time 15 minutes
Cook Time 4 hours
Resting Time 15 minutes
Total Time 4 hours 30 minutes
Servings: 6 servings
Course: Main Course
Cuisine: American
Ingredients Equipment Method Notes

Ingredients
  

  • 1 (2-3 pound) beef tenderloin roast
  • 1/2 cup packed light brown sugar
  • 1/4 cup balsamic vinegar
  • 1/4 cup low-sodium soy sauce (or tamari for gluten-free)
  • 2 tablespoons Dijon mustard
  • 2 cloves garlic, minced
  • 1 tablespoon olive oil
  • 1 teaspoon dried thyme
  • 1/2 teaspoon freshly ground black pepper
  • salt to taste (for searing, optional)
  • fresh parsley, chopped (for garnish, optional)

Equipment

  • Slow Cooker
  • Large skillet
  • Meat Thermometer
  • Cutting Board
  • Foil
  • Small saucepan

Method
 

  1. Pat the beef tenderloin dry with paper towels. This helps achieve a better sear if you choose to do so. You can season it lightly with salt and pepper at this stage if desired, though the glaze provides plenty of flavor.
    1 (2-3 pound) beef tenderloin roast, salt, 1/2 teaspoon freshly ground black pepper
  2. Heat the olive oil in a large skillet over medium-high heat. Sear the beef tenderloin on all sides until a nice brown crust forms, about 2-3 minutes per side. This step adds depth of flavor and helps lock in juices. If skipping this, proceed directly to step 3.
    1 tablespoon olive oil, 1 (2-3 pound) beef tenderloin roast
  3. In a medium bowl, whisk together the brown sugar, balsamic vinegar, soy sauce (or tamari), Dijon mustard, minced garlic, dried thyme, and freshly ground black pepper until well combined.
    1/2 cup packed light brown sugar, 1/4 cup balsamic vinegar, 1/4 cup low-sodium soy sauce, 2 tablespoons Dijon mustard, 2 cloves garlic, minced, 1 teaspoon dried thyme, 1/2 teaspoon freshly ground black pepper
  4. Place the seared (or un-seared) beef tenderloin in the bottom of your slow cooker. Pour the brown sugar balsamic glaze evenly over the top of the roast, ensuring it coats the majority of the meat.
    1 (2-3 pound) beef tenderloin roast
  5. Cover the slow cooker and cook on LOW for 4-6 hours, or on HIGH for 2-3 hours, depending on the thickness of your tenderloin and your slow cooker's calibration. The goal is to reach an internal temperature of 130-135°F (54-57°C) for medium-rare, or slightly higher for your preferred doneness. Use a meat thermometer to check for accuracy.
  6. Once cooked, carefully remove the beef tenderloin from the slow cooker and place it on a cutting board. Tent it loosely with foil and let it rest for at least 10-15 minutes. This crucial step allows the juices to redistribute throughout the meat, resulting in a more tender and moist roast.
    1 (2-3 pound) beef tenderloin roast
  7. While the beef is resting, if there's a lot of liquid leftover in the slow cooker, you can thicken the sauce. You can either pour the liquid into a small saucepan and simmer it over medium heat until reduced and slightly thicker, or you can mix 1 tablespoon of cornstarch with 2 tablespoons of cold water to create a slurry, then stir it into the simmering liquid until thickened.
  8. Slice the rested beef tenderloin against the grain into desired thickness. Drizzle with the warm brown sugar balsamic glaze from the slow cooker. Garnish with fresh chopped parsley, if desired.
    1 (2-3 pound) beef tenderloin roast, fresh parsley, chopped

Notes

Leftover Crockpot Brown Sugar Balsamic Beef Tenderloin can be stored in an airtight container in the refrigerator for up to 3-4 days. To reheat individual portions, place the sliced beef and a tablespoon or two of the saved glaze in a small skillet over medium-low heat, covered, until warmed through. Alternatively, you can gently reheat in the microwave, drizzling a little extra glaze if desired. For larger portions, gently warm in the oven at a low temperature (around 250°F or 120°C) until heated through, being careful not to overcook. This dish also freezes beautifully. Portion the cooled sliced beef and glaze into freezer-safe bags or containers. It can be stored in the freezer for up to 2-3 months. Thaw overnight in the refrigerator before reheating.