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Dinner · Part 2 of 3: Instructions

Slow Cooker Turkey Osso Buco with Aromatic Vegetables Step-by-step instructions

Close-up of slow cooker turkey osso buco served on a white plate with glossy tomato sauce.
Prep
Cook
Total
Serves
4
Includes 5 min resting

Before you start

Before starting, ensure that all vegetables are washed, peeled, and diced uniformly to encourage even cooking. Prepare your slow cooker by ensuring the ceramic insert is clean and dry. Gather all ingredients, including the herbes de Provence and crushed tomatoes, so you can assemble the dish quickly.

If you are using frozen turkey shanks, ensure they are fully thawed in the refrigerator before adding them to the slow cooker to maintain food safety standards and proper cooking times.

Ingredients at a glance (5)
  • 4 pieces turkey shanks
  • 2 medium carrots, diced
  • 1 medium yellow onion, diced
  • 1 tbsp herbes de Provence
  • 2 cups crushed tomatoes

Instructions

Assembly Phase

  1. Prepare and Layer the Ingredients
    Place the raw turkey shanks into the base of the slow cooker insert. Scatter the diced carrots and diced yellow onion evenly over the turkey pieces. Sprinkle the herbes de Provence over the top of the vegetables and meat. Finally, pour the crushed tomatoes over the entire mixture to cover the ingredients.
    Look for Ensure the tomatoes cover the meat and vegetables to facilitate even cooking during the braising process.
    Tip Layering the vegetables under the turkey can sometimes help with flavor infusion, but the current method ensures the sauce permeates everything effectively.

The ingredients are layered neatly in the slow cooker, with the turkey shanks at the bottom and vegetables and tomatoes covering the top. The herbs are evenly distributed to ensure consistent flavor throughout the braising liquid.

Everything looks ready to begin the long, slow cooking process that will transform these raw ingredients into a tender and aromatic finished dish.

Braising Phase

  1. Slow Cook the Turkey
    Cover the slow cooker with its lid. Set the device to the low setting and cook for approximately 6 hours. Alternatively, if time is limited, cook on high for 3 to 4 hours. The goal is for the meat to become extremely tender and easily pull away from the bone.
    Look for The turkey should be very tender and the sauce thickened and fragrant.
    Safe temperature 165°F (74°C) internal temperature (poultry)
    Tip Avoid lifting the lid unnecessarily during the cooking process to maintain a consistent internal temperature.

During the slow cooking process, the kitchen will begin to fill with the savory aroma of herbs and tomatoes. The liquid will bubble gently, and the turkey shanks will slowly become more tender. It is important to avoid opening the lid during this time to maintain the steady temperature required for the meat to reach its optimal texture without drying out.

Final Resting Phase

  1. Serve and Rest
    Once the turkey reaches an internal temperature of 165°F (74°C), turn off the slow cooker. Carefully remove the turkey shanks to a serving plate and allow them to rest for at least 5 minutes. Spoon the thickened tomato and vegetable sauce generously over the top of the turkey before serving.
    Look for The meat should be tender enough to fall off the bone with gentle pressure from a fork.
    Safe temperature 165°F (74°C) internal temperature (poultry)
    Tip Serving the dish immediately after the short rest ensures the meat remains warm and retains its juices.

After the cooking time is complete, the turkey shanks should look glazed and tender. The sauce should be rich and clinging to the meat. After resting for 5 minutes, the turkey is ready to be plated. The final dish should look inviting, with the vegetables softened and the sauce providing a beautiful, glossy finish to the tender turkey meat.

Common mistakes

A common mistake is overcrowding the slow cooker, which can lead to uneven cooking and excess liquid. Ensure there is enough space for the heat to circulate properly. Another error is checking the dish too frequently; every time the lid is removed, heat escapes, which can significantly extend the cooking time.

Finally, ensure the turkey is fully thawed before beginning; cooking from frozen can cause the meat to remain in the danger zone for too long, posing a food safety risk.

How to tell it’s done

The turkey is done when the meat is exceptionally tender and pulls away from the bone with minimal resistance. Use a meat thermometer to ensure the thickest part of the meat has reached a safe internal temperature of 165°F (74°C).

The sauce should be glossy, slightly thickened, and aromatic. Allowing the meat to rest for at least 5 minutes after removing it from the slow cooker is essential for the juices to redistribute, ensuring a tender final result.

  • 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 turkey?
  • Why is it important to let the meat rest after cooking?
  • Is it necessary to brown the turkey before slow cooking?

Also in Part 3: variations (Spicy Tomato Turkey, Earthy Mushroom 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)