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Dinner · Part 2 of 3: Instructions

Slow Cooker Turkey Bruschetta Tenderloins Step-by-step instructions

A close-up of slow-cooked turkey tenderloins topped with a balsamic tomato sauce on a white plate.
Prep
Cook
Total
Serves
4
Includes 5 min resting

Before you start

Before starting, ensure all ingredients are measured and ready. Dice the tomatoes and red onion into uniform pieces to ensure they break down evenly during the cooking process. If using frozen turkey, make sure it is completely thawed in the refrigerator before adding it to the slow cooker to ensure food safety and even cooking.

Have your slow cooker placed on a stable surface, away from the edge of the counter, and ensure the power cord is clear. Preparing your ingredients in advance makes the assembly process fast and efficient, allowing you to get the meal started in just a few minutes.

Ingredients at a glance (6)
  • 1.5 lb turkey tenderloins
  • 2 cups diced tomatoes
  • 1/2 cup red onion, diced
  • 1 tbsp dried Italian herb blend
  • 2 tsp minced garlic
  • 1/4 cup balsamic vinaigrette

Instructions

Assembly and Setup

  1. Prepare the turkey
    Place the turkey tenderloins into the base of the slow cooker, ensuring they lie flat in a single layer to promote even cooking throughout the process.
    Look for The tenderloins should fit comfortably without overlapping too much.
    Tip Pat the turkey dry with paper towels before adding to the cooker to improve texture.

At the end of this phase, the turkey should be neatly arranged in the slow cooker, and all seasonings and vegetables should be evenly distributed. The ingredients will look fresh and bright, with the balsamic vinaigrette starting to pool around the base of the turkey. Ensure that the tenderloins are not crowded or stacked too high, as this can lead to uneven cooking. Once everything is layered, you are ready to secure the lid and begin the slow cooking process, knowing that all the components are properly positioned for success.

Slow Cooking Period

  1. Add the aromatics and sauce
    Evenly distribute the diced tomatoes and red onion over the turkey. Sprinkle the Italian herbs and minced garlic over the mixture, then pour the balsamic vinaigrette over everything.
    Look for The ingredients should cover the tenderloins completely.
    Tip Spread the ingredients out gently to ensure every piece of turkey is seasoned.

During the cooking phase, the slow cooker will work to break down the fibers of the turkey while infusing it with the aromatic blend. You will notice a pleasant, savory scent filling the kitchen as the garlic and herbs bloom.

The tomatoes will soften and release their juices, combining with the balsamic vinaigrette to create a rich, dark sauce. The turkey will gradually change from raw to opaque, absorbing the flavors of the surrounding ingredients. It is important to leave the lid undisturbed to maintain the steady heat required for perfectly tender results.

Final Resting and Serving

  1. Slow cook and serve
    Cover and cook on low for 4 hours until the turkey is tender and cooked through, reaching an internal temperature of 165°F (74°C). Allow to rest for 5 minutes before serving.
    Look for The sauce will have thickened slightly and the turkey should be opaque.
    Safe temperature 165°F (74°C) internal temperature (poultry)
    Tip Use a meat thermometer to ensure the turkey is safe and perfectly cooked.

Once the cooking time is complete, the turkey should be thoroughly cooked and very tender. The sauce will have thickened into a glossy glaze that clings beautifully to the meat. After resting for 5 minutes, the turkey will be at the perfect temperature to slice or serve whole. The final dish should look vibrant, with the deep colors of the balsamic sauce contrasting against the tender turkey. The aroma will be savory and inviting, indicating that the meal is ready to be enjoyed immediately.

Common mistakes

Avoid lifting the lid of the slow cooker frequently, as this releases heat and moisture, which can significantly increase the total cooking time and affect the tenderness of the meat. Keep the lid closed until the final hour of cooking.

Another common mistake is over-dicing the vegetables; keep them in medium-sized chunks so they maintain some texture and do not turn into a complete puree. Finally, do not skip the resting period. Allowing the turkey to rest for at least 5 minutes ensures the juices redistribute, keeping each slice succulent and flavorful.

How to tell it’s done

The turkey is done when the internal temperature reaches 165°F (74°C) as measured by a meat thermometer inserted into the thickest part of the tenderloin. The meat should be opaque throughout, firm to the touch, and easily shredded with a fork if desired.

The balsamic tomato sauce should be thick and glossy, having reduced slightly to coat the turkey. If the meat appears pink or feels soft and squishy, continue cooking for an additional 15 to 20 minutes before checking the temperature again to ensure it is fully cooked and safe to eat.

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

Coming up in Part 3: common questions

  • Can this recipe be made with other cuts of poultry?
  • Is it necessary to brown the turkey before putting it in the slow cooker?
  • Why is it important to let the meat rest?

Also in Part 3: variations (Mediterranean Style, Spicy Tomato 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)