Slow Cooker Turkey Breast Recipe

Ingredients You’ll Need

• Turkey breast: 2.5–5 lb bone-in or boneless roast. Bone-in stays extra juicy; boneless slices neatly.
• Unsalted butter: 4 tbsp, softened (swap olive oil or ghee for dairy-free).
• Kosher salt and black pepper: season all sides.
• Poultry seasoning: 1 tsp.
• Dried thyme and rosemary: 1 tsp each (or 1 tbsp total chopped fresh herbs).
• Garlic: 3 cloves minced (or 1 tsp garlic powder).
• Onion: 1 large, thick-sliced (acts as a rack and flavors the juices).
• Carrot and celery: 1 each, chopped (optional but tasty).
• Low-sodium chicken or turkey broth: 3/4–1 cup (Better Than Bouillon works great mixed with water).
• Lemon: 1/2, optional for brightness.
• Paprika: 1/2 tsp for color, optional.
• Cornstarch: 1–2 tbsp for gravy (or use arrowroot for grain-free).
• Pantry shortcut: 1 tbsp onion soup mix in place of some salt and spices, if you like that classic flavor.
• Fresh herbs to finish: parsley or thyme, chopped.

Equipment:

• 5–7 quart slow cooker
• Instant-read thermometer
• Sheet pan and broiler (for crisp skin)
• Small saucepan or the slow cooker set to HIGH for gravy
• Fine-mesh strainer and whisk
• Cutting board, sharp knife, tongs, foil, paper towels

How to Make Slow Cooker Turkey Breast

• Prep: 10 minutes
• Cook: LOW 3.5–5 hours (bone-in 4–5; boneless 3–4) or HIGH 1.75–2.5 hours
• Total: 3 hours 15 minutes to 5 hours 30 minutes, depending on size and heat setting

1. Mix the herb butter. In a small bowl, mash softened butter with salt, pepper, poultry seasoning, thyme, rosemary, garlic, and paprika. Pat the turkey dry, then gently loosen the skin over the breast.
2. Season the turkey. Rub half the herb butter under the skin and the rest over the outside. Sprinkle a little extra salt and pepper all over.
3. Build the base. Lay onion slices, carrot, and celery in the slow cooker as a bed. Pour in broth and squeeze in the lemon; drop the squeezed lemon half into the pot for extra aroma.
4. Load the cooker. Place the turkey breast on the veggie bed, skin side up. Cover and cook on LOW or HIGH based on the times above.
5. Monitor doneness. Start checking internal temperature early, especially for smaller roasts. Pull the turkey when the thickest part of the breast hits 160°F; carryover heat brings it to 165°F while it rests.
6. Rest. Transfer the turkey to a cutting board, tent with foil, and rest 15–20 minutes. Slice across the grain for tender pieces.
7. Crisp the skin (optional but worth it). Set the turkey on a sheet pan and broil 2–5 minutes, watching closely. Pull it once the skin turns golden and crackly.
8. Make the gravy. Strain the slow cooker juices into a saucepan (or set the cooker to HIGH). Skim excess fat, then whisk in a slurry of 1–2 tbsp cornstarch mixed with equal cold water; simmer and whisk until it thickens, 2–3 minutes. Taste and adjust salt and pepper.

Cooking Tips & Mistakes to Avoid

• Choose the right size: Fit a 2.5–5 lb breast in a 5–7 quart slow cooker without crowding.
• Dry the skin well before seasoning to help browning under the broiler.
• Keep liquid modest (about 1 cup) so the turkey roasts gently instead of stewing.
• Use an onion-and-veg rack or a metal trivet to lift the meat off the bottom.
• Salt the turkey the night before for deeper flavor if you have time.
• Check temp early; every slow cooker runs a little differently.
• Resist lid peeking; each lift releases heat and adds time.
• Start with fully thawed turkey; thaw in the fridge 24 hours per 4–5 pounds.
• Cook boneless roasts with the netting on; remove it after resting.
• Rest the meat before slicing to keep juices in the meat, not on the board.
• Broil briefly for crispy skin; watch closely to avoid scorching.
• Whisk gravy with a cool slurry to prevent lumps; then simmer to thicken.

Variations I’ve Tried

• Gluten-free: Use certified GF broth and cornstarch or arrowroot; skip any soup mix with wheat.
• Dairy-free: Swap olive oil or avocado oil for butter; ghee works if you tolerate it.
• Low-sodium: Use unsalted broth and reduce added salt; finish with a pinch of flaky salt at the table.
• Spice routes: Try Cajun seasoning, lemon-pepper, or a smoky paprika–brown sugar rub.
• Citrus-herb: Add orange zest and extra thyme; finish with a squeeze of fresh lemon.
• Maple-mustard finish: Brush 2 tbsp maple and 1 tbsp Dijon over the skin before broiling.
• Boneless vs bone-in: Follow the same method; aim for the same internal temp, and check earlier for boneless.
• Plant-based household: Slow-cook thick slabs of marinated extra-firm tofu or seitan on the same onion bed with veggie broth for 2–3 hours on LOW; serve with the herb gravy made from veggie drippings.
• Add-ins: Tuck in whole garlic cloves, sprigs of thyme, or baby potatoes around the edges.

How to Serve Slow Cooker Turkey Breast

Slice the slow cooker turkey breast and spoon on that glossy gravy. Pair it with mashed potatoes, green beans, roasted carrots, cranberry sauce, or stovetop stuffing. For leftovers, build sandwiches, toss chopped turkey into salads, or fold it into a quick turkey pot pie.

Make-Ahead and Storage

Season the turkey up to 24 hours in advance and refrigerate it uncovered for crisper skin. Chill cooked, sliced turkey in its juices for the best reheating texture.

Refrigerate leftovers for 3–4 days in an airtight container. Freeze sliced turkey with a little gravy for up to 3 months; thaw overnight in the fridge. Reheat covered at 300°F with a splash of broth until warm, or microwave at 50% power in short bursts; warm gravy on the stovetop and whisk to smooth it out.

Nutrition Information

Calories: about 330 per serving (6 oz cooked turkey with herb butter and a spoon of gravy). Protein skews high (about 50–55g), carbs stay very low (about 2–4g), and fat lands in a moderate range (about 12–16g). Numbers vary with the size of the roast, how much butter you use, and whether you eat the skin.