Dinner · Part 1 of 3: Ingredients
Easy Crockpot Rosemary Butter Turkey Breast

- Prep
- Cook
- Total
- Serves
- 4
Discover the secret to perfectly tender turkey breast without turning on the oven. By using a slow cooker, you lock in moisture and infuse the meat with aromatic herbs, making this an ideal choice for busy days when you want a wholesome, delicious meal ready to go.
This Crockpot Rosemary Butter Turkey Breast is a masterclass in simplicity. By layering onions, rosemary, and broth, the slow cooker creates a gentle environment that keeps the turkey succulent and flavorful.
Whether you are prepping for a weeknight dinner or a casual Sunday meal, this method guarantees consistent, delicious results every single time. It is a reliable, stress-free approach that highlights how a few high-quality ingredients can elevate a simple cut of meat into a standout dish that everyone will enjoy.
Ingredients
Main
- 1 lb turkey breast
Vegetables
- 1 cup yellow onion, sliced
Herbs
- 1 tbsp crushed rosemary
Liquid
- 1/2 cup chicken broth
Why this recipe works
The slow cooker method works by using low, consistent heat to break down the connective tissues in the turkey breast slowly. This gentle cooking process prevents the lean meat from drying out, which is a common issue with high-heat roasting methods.
The moisture trapped inside the lid circulates as steam, ensuring the meat remains tender throughout the entire cooking cycle.
Layering the aromatics like onions and rosemary directly with the liquid creates an infused steam environment. As the broth heats up, it carries the essence of the herbs and onions upward into the turkey breast.
This infusion happens naturally over several hours, resulting in a deeper, more cohesive flavor profile that penetrates the meat much more effectively than a quick rub or marinade ever could.
Notes and substitutions
When choosing a turkey breast, look for one that is uniform in shape if possible, as this helps it cook evenly in the slow cooker. You can use bone-in or boneless breasts, though bone-in options often provide a bit more flavor to the cooking liquid. Ensure you adjust your cooking time slightly if you choose a particularly large or thick cut of meat.
For the best results, use fresh rosemary whenever possible, as its oils are more potent and fragrant when exposed to the long, slow heat of the crockpot.
If you only have dried rosemary, reduce the amount by half, as dried herbs are significantly more concentrated. A heavy-bottomed slow cooker is preferred for even heat distribution, but any standard model will perform well.
- chicken broth: vegetable broth or dry white wine
- fresh rosemary: dried thyme or sage
Equipment
- Slow cooker
- Glass measuring cup
- Knife
- Cutting board
Up next · Part 2 of 3
3 steps · 4 h of cooking · what to look for at each stage
Step-by-step instructions (Part 2)