Slow Cooker Onion Soup Turkey Breast with Carrots Tips, FAQ & printable recipe

Tips for success

For a deeper flavor, you can sear the turkey breast slices in a hot skillet with a little oil for one minute on each side before adding them to the slow cooker.

This extra step adds a browned crust that contributes to a more complex gravy, though it is entirely optional. If you choose to sear the meat, ensure you handle it carefully and wash your hands and surfaces thoroughly after contact with the raw poultry.

If you prefer a more intense onion flavor, add a thinly sliced yellow onion to the bottom of the slow cooker along with the turkey.

The onions will melt down during the long cooking time, thickening the sauce and adding a natural sweetness that complements the salty onion soup mix. This addition is particularly good if you plan to serve the turkey over mashed potatoes or rice to soak up the extra gravy.

Variations

• Herbed Turkey and Gravy: Add one teaspoon of dried thyme and a half-teaspoon of dried rosemary to the onion soup mix before cooking. The aromatic herbs add a classic, earthy flavor that pairs beautifully with the turkey and carrots.
• Creamy Onion Turkey: Stir in a half-cup of sour cream or heavy cream during the last ten minutes of cooking. This creates a rich, velvety sauce that turns the onion gravy into a luxurious, creamy accompaniment for the turkey.

Storage and make-ahead

Fridge

Store in an airtight container in the refrigerator for up to 3 to 4 days.

Freezer

Freeze in a freezer-safe container for up to 2 months. Thaw in the refrigerator overnight before reheating.

Reheat

Reheat in a saucepan over medium-low heat or in the microwave until steaming hot throughout, reaching at least 165°F (74°C).

Allow any leftovers to cool for no more than two hours at room temperature before transferring them to an airtight container. Keep the turkey and carrots stored in their gravy to maintain moisture and prevent the meat from becoming tough.

Place the container in the coldest part of your refrigerator and use the leftovers within three to four days for the best quality and food safety.

This recipe is excellent for make-ahead meal planning. You can assemble the raw ingredients in the slow cooker insert, cover it, and keep it in the refrigerator overnight.

In the morning, simply place the insert into the slow cooker base and start the cooking process. This saves time during busy mornings and allows the flavors to meld together slightly before the cooking even begins.

Serving ideas

Serve the slow cooker turkey breast while it is hot, spooning plenty of the flavorful onion gravy over the meat and carrots. This dish pairs perfectly with mashed potatoes, roasted root vegetables, or a simple green salad to balance the richness of the gravy. The tender carrots act as a built-in side dish, making this a convenient and well-rounded meal for any day of the week.

If you have leftovers, the turkey can be shredded and served in sandwiches or wraps for a quick lunch the next day. The gravy can be thickened further on the stovetop if desired, or used as a base for a quick soup by adding extra broth and vegetables. Ensure that any portion you intend to reheat is stored properly and brought to a steaming temperature throughout before serving.

Frequently asked questions

Recipe card

Slow Cooker Onion Soup Turkey Breast with Carrots

Prep 5 minCook 4 hRest 5 minTotal 4 h 10 minServes 6

Ingredients

• 2 lb boneless skinless turkey breast, sliced into thick pieces
• 1 lb whole baby carrots
• 1 packet dry onion soup mix
• 1 cup chicken broth

Instructions

1. Arrange the thick slices of boneless skinless turkey breast in the base of the slow cooker, fanning them out to ensure even cooking. Tuck the whole baby carrots into the gaps between and around the turkey slices.
2. Sprinkle the dry onion soup mix evenly over the turkey and carrots. Pour the chicken broth over the top of the ingredients, taking care to distribute it so it hits the bottom of the slow cooker.
3. Cover and cook on low for 4 to 6 hours or on high for 3 hours. Use a meat thermometer to check that the turkey reaches an internal temperature of 165°F (74°C). Allow the meat to rest for 5 minutes before serving.

Contains: gluten, soy

Estimated nutrition per serving

Calories

280

Protein

35 g

Carbohydrates

12 g

Fat

9 g

Fiber

2.5 g

Sugar

6 g

Sodium

750 mg

Automatic estimate from the ingredient list, not laboratory-verified.