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Dinner · Part 2 of 3: Instructions

Crockpot Creamy Sage Turkey Tenderloin Step-by-step instructions

A close-up of tender, braised turkey tenderloins in a creamy, herb-flecked sauce.
Prep
Cook
Total
Serves
4
Includes 5 min resting

Before you start

Before beginning, ensure your slow cooker is clean and positioned on a level, heat-resistant surface. Have all ingredients measured and ready, especially the vegetables, which should be sliced into uniform pieces to ensure they cook evenly.

If your turkey tenderloins are packaged in a brine or solution, pat them dry with paper towels to ensure they maintain the best texture during the braising process. Double-check that your meat thermometer is calibrated and accessible, as it is the most important tool for ensuring the poultry is safe to consume.

Ingredients at a glance (7)
  • 2 lbs turkey breast tenderloins
  • 1 cup onion slices
  • 1 cup celery slices
  • 1 tsp dried sage
  • 1/2 tsp dried thyme
  • 10 oz condensed cream of mushroom soup
  • 1/2 cup chicken broth

Instructions

Assembly of the components

  1. Assemble ingredients
    Place the turkey tenderloins into the slow cooker basin. Scatter the sliced onions and celery over the turkey. Sprinkle the dried sage and thyme evenly over the mixture to ensure the herbs distribute well during the slow cooking process.
    Look for The turkey should be arranged in a single layer at the bottom of the crockpot.
    Tip Ensure the vegetables are sliced thinly so they soften completely alongside the meat.

The turkey should be neatly arranged at the bottom of the slow cooker, with the onions, celery, and dried herbs evenly distributed over the surface. The scene should look organized, with the ingredients ready to be covered by the creamy liquid base.

Slow braising process

  1. Add sauce and cook
    Whisk together the condensed cream of mushroom soup and the chicken broth until smooth, then pour the mixture over the turkey and vegetables. Cover the slow cooker with its lid and set to low heat. Cook for 4 hours until the turkey is tender.
    Look for The sauce will thicken and become fragrant as the turkey releases its juices.
    Tip Avoid lifting the lid during the cooking process to maintain a consistent internal temperature.

As the turkey cooks, the kitchen will begin to fill with the savory, herbal aroma of sage and thyme. The sauce should be bubbling gently around the edges, and the turkey should appear plump and cooked through, with the vegetables softened into the thick, creamy gravy.

Final resting and serving

  1. Check doneness and finish
    Verify the turkey is fully cooked by inserting a meat thermometer into the thickest part of the tenderloin. The internal temperature must reach 165°F (74°C). Allow the meat to rest for at least 5 minutes before slicing and serving with the creamy gravy.
    Look for The turkey should be opaque throughout and easily pierced with a fork.
    Safe temperature 165°F (74°C) internal temperature (poultry)
    Tip Check the temperature in multiple spots to ensure even cooking throughout the tenderloins.

After resting, the turkey should slice easily into tender medallions. The gravy should be rich and clinging to the meat, with visible, soft bits of onion and celery. The dish is now ready to be plated and enjoyed with your choice of side dishes.

Common mistakes

A common mistake is overcrowding the slow cooker or using pieces of turkey that are too varied in size, which can result in uneven cooking. Another error is failing to use a meat thermometer, as relying solely on time can lead to overcooked, dry turkey.

Additionally, ensure the lid remains closed for the duration of the cooking time; opening the lid frequently releases trapped heat and steam, which significantly increases the cooking time and can affect the consistency of the creamy sauce, leading to a thinner, less flavorful final result.

How to tell it’s done

The turkey is properly cooked when it reaches an internal temperature of 165°F (74°C) at its thickest point. Visually, the meat should be opaque and firm, no longer showing any pink in the center.

The surrounding sauce should be hot, bubbly, and slightly thickened by the juices released from the turkey and vegetables.

Always allow the meat to rest for at least 5 minutes after removing it from the slow cooker; this pause allows the moisture to redistribute throughout the fibers, ensuring every bite remains juicy and flavorful when sliced.

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

Coming up in Part 3: common questions

  • Can this recipe be made with turkey breast instead of tenderloins?
  • Why does the sauce seem to separate after cooking?
  • Is it possible to overcook turkey in a slow cooker?

Also in Part 3: variations (Savory Garlic Twist, Earthy Mushroom Blend), 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)