Turkey Breast Roast with Aromatics | CookOS

Turkey Breast Roast

Name: Turkey Breast Roast with Aromatics
Prep time: 10 min
Cook time: 5 h
Total time: 5 h 10 min
Yield: 8 servings
Cuisine: American
Ingredients: 6 lbs boneless turkey breast roast; 1 medium red onion, chopped; 2 stalks celery, chopped; 1 lemon, chopped; 1 tbsp salt; 1 tbsp black pepper; 1 tbsp garlic powder; 2 sprigs fresh rosemary; 1 cup chicken broth; 1 packet turkey gravy (often included with roast)

This boneless turkey breast roast is slow-cooked with onion, celery, lemon, and rosemary to deliver tender, juicy meat without the fuss of a whole bird. It's ideal for small Thanksgiving dinners or weeknight comfort meals.

🌍American 🏷️Turkey breast 🏷️Roast turkey 🏷️Thanksgiving 🏷️Holiday meal Comfort food

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Total

5h 10m

Servings

Difficulty

Easy

Est. Cost

$20–$33

Recipe Source

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Ingredients

6 lbs boneless turkey breast roast
1 medium red onion, chopped
2 stalks celery, chopped
1 lemon, chopped
1 tbsp salt
1 tbsp black pepper
1 tbsp garlic powder
2 sprigs fresh rosemary
1 cup chicken broth
1 packet turkey gravy (often included with roast)optional

10 Ingredients

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Instructions

1
In a small bowl, combine salt, black pepper, and garlic powder.
2
Place the chopped red onion, celery, and lemon in the bottom of a slow cooker. Pour in the chicken broth.
3
Rub the turkey breast roasts all over with the seasoning mixture.
4
Place the seasoned turkey roasts on top of the vegetables in the slow cooker.
5
Top the roasts with fresh rosemary sprigs.
6
Cover the slow cooker and cook on low for 4-6 hours, or until the internal temperature of the turkey reaches 165°F (74°C).
7
Once cooked, remove the turkey from the slow cooker, let it rest for 10-15 minutes, then slice.
8
Prepare the included gravy packet according to package directions and serve over the sliced turkey with your favorite sides.

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Tips & Notes

Pro tips

Let the turkey breast roast sit at room temperature for 30 minutes before cooking to ensure even heat distribution.
Use a meat thermometer inserted into the thickest part to verify doneness at 165°F—this prevents overcooking and drying.
Chop aromatics (onion, celery, lemon) into large pieces so they flavor the broth without breaking apart during long cooking.
Reserve the cooking liquid and pan drippings to make rich, flavorful gravy rather than relying solely on the packet.

Substitutions

Red onion → yellow onion or white onion (milder, equally aromatic)
Fresh rosemary → dried rosemary (use 1 tsp; dried is more concentrated)
Chicken broth → turkey broth or vegetable broth (maintains similar flavor and moisture)
Lemon → lime or orange (adds acidity and brightness; citrus is interchangeable)

Storage & make-ahead

Store cooled sliced turkey in an airtight container for up to 4 days; reheat gently in broth to prevent drying. Freeze whole or sliced for up to 3 months.

Equipment

slow cooker · meat thermometer · roasting pan (if oven-cooking)

Common Questions

How long does it take to cook a 6 lb boneless turkey breast roast?

Slow-cooked boneless turkey breast roasts typically require 4–6 hours on low heat, depending on your cooker. Internal temperature should reach 165°F.

Can I cook this turkey breast roast in the oven instead?

Yes. Roast covered at 325°F for approximately 20 minutes per pound, or until internal temperature reaches 165°F. Tent with foil if browning too quickly.