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Dinner · Part 2 of 3: Instructions

Slow Cooker Balsamic Glazed Turkey Tenderloin Step-by-step instructions

Succulent, sliced balsamic glazed turkey tenderloin on a clean white plate with a glossy dark reduction.
Prep
Cook
Total
Serves
4
Includes 5 min resting

Before you start

Before starting, ensure your slow cooker is clean and positioned on a level, heat-resistant surface near a power outlet. Have your turkey tenderloins ready, ensuring they are fully thawed if previously frozen.

Have your measuring cups and ingredients within reach to allow for a quick, organized assembly. Preparing the balsamic broth in advance ensures you can pour it over the turkey immediately after adding the dry seasonings, which helps prevent the sugar from burning or clumping before the liquid is added.

Ingredients at a glance (4)
  • 2 lb turkey tenderloins
  • 1/2 cup brown sugar
  • 1 packet seasoning
  • 1 cup balsamic broth

Instructions

Assembly and seasoning

  1. Prepare the slow cooker
    Place the raw turkey tenderloins into the bottom of the slow cooker, ensuring they are arranged in an even layer to promote consistent cooking throughout the process.
    Look for The turkey should sit flat on the bottom of the slow cooker base.
    Tip Avoid overcrowding the cooker to ensure the heat circulates evenly around the meat.
  2. Season the turkey
    Scatter the brown sugar evenly over the top of the turkey tenderloins, followed by the seasoning packet, ensuring the meat is well-coated for optimal flavor development during the slow cooking.
    Look for The sugar and seasoning should be distributed across the surface of the meat.
    Tip Use your hands to gently press the seasoning into the meat if necessary.

The turkey should be neatly arranged in the slow cooker with the brown sugar and seasoning evenly distributed. The surface of the meat should look well-coated, and there should be no large clumps of dry ingredients. Ensure the slow cooker is plugged in and ready to be set to the low heat setting before proceeding to add the liquid.

Slow cooking process

  1. Add the liquid
    Pour the balsamic broth over the seasoned turkey. Cover the slow cooker and cook on low heat for 4 hours, or until the turkey is tender and fully cooked through.
    Look for The liquid will pool around the turkey, helping to create the glaze as it reduces.
    Safe temperature 165°F (74°C) internal temperature (poultry)
    Tip Do not lift the lid during cooking to maintain a consistent internal temperature.

After 4 hours, the turkey should be fully cooked, tender, and bathed in a fragrant, bubbling balsamic liquid. The aroma in the kitchen should be savory and slightly sweet.

Check that the turkey is firm to the touch and opaque throughout. The liquid should have reduced slightly, indicating that the flavors have successfully melded into a rich, cohesive braising sauce.

Resting and final glaze

  1. Slice and serve
    Remove the turkey from the slow cooker, let it rest for 5 minutes, then slice against the grain. Serve the slices drizzled with the remaining reduced balsamic glaze from the cooker.
    Look for The glaze should be thick, glossy, and dark, clinging to the sliced meat.
    Safe temperature 165°F (74°C) internal temperature (poultry)
    Tip Slicing against the grain ensures the tenderloin remains soft and easy to chew.

The turkey should be removed to a cutting board and allowed to rest for 5 minutes, which allows the muscle fibers to relax and retain moisture. The resulting slices should look succulent and glossy. Ensure the balsamic glaze is thick enough to coat the back of a spoon before drizzling it over the plated turkey for a professional finish.

Common mistakes

A common mistake is lifting the lid of the slow cooker too frequently, which causes a significant drop in temperature and extends the total cooking time, potentially leading to uneven results.

Another error is failing to let the turkey rest after cooking; resting is essential for the juices to redistribute, ensuring the meat remains succulent when sliced. Finally, avoid using high heat, as this can cause the balsamic glaze to scorch or the turkey to become tough and stringy instead of tender.

How to tell it’s done

The turkey is ready when it reaches an internal temperature of 165°F (74°C). Use a meat thermometer inserted into the thickest part of the tenderloin to verify this. The meat should be opaque throughout and pull apart easily with a fork.

The balsamic glaze in the bottom of the slow cooker should appear dark, glossy, and slightly thickened. If the glaze is too thin, it can be reduced in a small saucepan over medium heat for a few minutes after removing the turkey.

  • Poultry: 165°F (74°C) in the thickest part

Coming up in Part 3: common questions

  • Can this recipe be made with other types of meat?
  • Why is the turkey dry after cooking?
  • Is it necessary to use balsamic broth?

Also in Part 3: variations (Garlic Balsamic Turkey, Spicy Balsamic Turkey), storage and make-ahead, and the printable recipe card.

Up next · Part 3 of 3

2 variations · storage & make-ahead · 3 answers · printable card

Tips, FAQ & printable recipe (Part 3)← Back to the ingredients (Part 1)