Skip to content
Allquickyrecipes Search recipes

Dinner · Part 2 of 3: Instructions

Slow Cooker Country Gravy Turkey Tenderloins Step-by-step instructions

A close-up of tender, braised turkey tenderloins covered in thick, creamy peppered gravy on a white plate.
Prep
Cook
Total
Serves
4
Includes 5 min resting

Before you start

Before beginning, ensure that your slow cooker insert is clean and dry. Dice the fresh onion into small, uniform pieces so they soften evenly during the long cook time. Take the turkey tenderloins out of the refrigerator about 20 minutes before cooking to take the chill off, but do not leave them out longer than 30 minutes for food safety.

Have your seasonings and gravy measured and ready to go. Preparing these components in advance makes the assembly process fast and seamless, allowing you to get the meal started in just a few minutes.

Ingredients at a glance (5)
  • 1 1/2 lb turkey tenderloins
  • 1 cup diced onion
  • 1/2 tsp black pepper
  • 1/2 tsp garlic powder
  • 2 cups white country gravy

Instructions

Assembly Phase

  1. Prepare the Slow Cooker
    Place the turkey tenderloins into the bowl of your slow cooker, ensuring they are arranged in an even layer. Scatter the diced onions over the top of the turkey to ensure even flavor distribution during the cooking process.
    Look for The turkey should be laid out in a single layer for even cooking.
    Tip Pat the turkey dry with paper towels before adding it to the slow cooker to help the seasonings adhere better.

At the end of this phase, the turkey should be neatly arranged in the slow cooker and topped with the onions, seasonings, and gravy. Everything is ready for the long, slow braise. Ensure the gravy is distributed evenly over the meat, and double-check that the lid is securely closed to maintain the necessary moisture and heat for the duration of the cooking time.

Seasoning Phase

  1. Season and Add Sauce
    Sprinkle the black pepper and garlic powder evenly over the turkey and onions. Pour the white country gravy over the entire mixture, ensuring the turkey is mostly covered by the liquid to keep the meat moist while it braises.
    Look for The gravy should coat the tenderloins completely.
    Tip Use a spatula to gently lift the turkey slightly so the gravy flows underneath for even coating.

Once the pepper, garlic, and gravy are added, the slow cooker is ready to start its work. The ingredients should look well-combined, with the gravy starting to settle around the turkey.

There is no need to stir the ingredients at this point, as the slow cooker will naturally allow the flavors to meld together as the heat rises and the turkey begins to cook through.

Cooking Phase

  1. Slow Cook and Serve
    Cover the slow cooker and cook on low for 4 hours. Once the time is up, ensure the turkey reaches an internal temperature of 165°F (74°C). Allow the meat to rest for 5 minutes before slicing and serving with the hot gravy.
    Look for The turkey is done when it is opaque throughout and reaches the safe internal temperature.
    Safe temperature 165°F (74°C) internal temperature (poultry)
    Tip Check the internal temperature at the thickest part of the tenderloin using a meat thermometer.

By the end of the cooking phase, the kitchen should smell savory and aromatic. The turkey will be tender and fully cooked, with the gravy thickened and the onions soft. Before serving, verify the internal temperature of 165°F (74°C). The meat should be ready to slice or pull apart easily, and the sauce should be hot and creamy, ready to be ladled over the turkey.

Common mistakes

A common mistake is overcrowding the slow cooker, which can lead to uneven cooking. Ensure the tenderloins are in a single layer. Another error is not checking the internal temperature; guessing the doneness often leads to dry, overcooked turkey.

Avoid lifting the lid too often during the cooking process, as each time you open it, heat escapes and the cooking time is extended. Finally, ensure the gravy is not too thin; if it seems watery, you can stir in a small amount of cornstarch slurry during the final 30 minutes of cooking to help it reach the desired consistency.

How to tell it’s done

The turkey is perfectly cooked when it reaches an internal temperature of 165°F (74°C) at its thickest point. The meat should be tender, opaque, and easily pierced with a fork. The gravy should be thick and creamy, with the onions fully softened and translucent.

If the turkey is still firm or slightly pink, continue cooking for an additional 15 minutes before checking the temperature again. Always let the meat rest for 5 minutes after removing it from the heat to allow the juices to redistribute, ensuring every bite is succulent and flavorful.

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

Coming up in Part 3: common questions

  • Can this recipe be made with frozen turkey tenderloins?
  • Why is the gravy separating after cooking?
  • Can other cuts of meat be used?

Also in Part 3: variations (Herbed Turkey Tenderloins, Spicy Country 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)