01 -
Pat dry 1 1/2 lbs lamb tenderloin. Season generously with salt and black pepper to taste. This initial seasoning is crucial for a flavorful Crockpot Brown Sugar Balsamic Glazed Lamb Tenderloin, ensuring depth in every bite.
02 -
Place the thinly sliced 1/2 medium yellow onion and 4 cloves minced garlic in the bottom of a 6-quart crockpot. Sprinkle with 1 tsp dried rosemary, 1 tsp dried thyme, and 1/4 tsp red pepper flakes (optional).
03 -
In a medium bowl, whisk together 1/2 cup packed light brown sugar, 1/2 cup balsamic vinegar, 2 tbsp low-sodium soy sauce, 1 tbsp Dijon mustard, and 1 tbsp Worcestershire sauce until well combined.
04 -
Place the seasoned 1 1/2 lbs lamb tenderloin over the aromatics in the crockpot. Pour the prepared glaze mixture evenly over the lamb. Cover and cook on LOW for 3.5 hours (210 minutes). This slow cooking method ensures a tender and flavorful Crockpot Brown Sugar Balsamic Glazed Lamb Tenderloin.
05 -
Carefully remove the cooked lamb tenderloin from the crockpot and set aside on a cutting board. In a small bowl, whisk 1 tbsp cornstarch with 2 tbsp cold water to create a slurry. Stir the slurry into the crockpot sauce.
06 -
Cover the crockpot and cook on HIGH for 15-20 minutes, or until the glaze has thickened to your desired consistency. Slice the Crockpot Brown Sugar Balsamic Glazed Lamb Tenderloin against the grain and serve with the warm glaze.