Goat Cheese & Spinach Stuffed Chicken Breast
Juicy, cheesy, and packed with flavor—this Goat Cheese & Spinach Stuffed Chicken Breast is a game-changer for weeknight dinners!
With minimal prep and maximum flavor, this dish features tender chicken stuffed hasselback-style with creamy goat cheese and nutrient-rich spinach.
Finished with golden caramelized onions and mushrooms, it’s a low-carb, keto-friendly meal that feels restaurant-worthy—without the hassle.
Craving a meal that’s easy, healthy, and seriously delicious? This one’s a keeper!
Why You’ll Love This Recipe
This is one of those chicken dinners that checks a lot of boxes. It’s easy, it’s filling, and it has enough flavor to make you forget you’re eating a weeknight meal.
The goat cheese gives the spinach filling that creamy, tangy bite I love, while the caramelized onions and mushrooms bring a little sweetness and plenty of savory flavor. And because everything comes together in one skillet, there isn’t a mountain of dishes waiting for you afterward. Always a good thing.
It’s also a low-carb, keto-friendly dinner, so if you’re trying to keep things on the lighter side, this one fits right in.
And that little bit of balsamic vinegar? Optional, yes. But if you like a deeper, slightly sweet flavor with your onions and mushrooms, I’d give it a try.
For the Stuffed Chicken Breast
- Chicken Breasts – Boneless, skinless chicken breasts work best. Cutting them hasselback-style makes stuffing easier.
- Olive Oil – Used to keep the chicken moist and help with browning.
- Spinach – Adds a nutritious, fresh element to the filling.
- Garlic Powder – Infuses extra flavor into the spinach mixture.
- Goat Cheese – Creamy, tangy, and pairs perfectly with spinach.
- Salt & Pepper – Essential for seasoning the chicken.
For the Caramelized Onions & Mushrooms
- White Onion – Sliced and caramelized for a rich, slightly sweet flavor.
- Baby Bella Mushrooms – Adds an earthy, umami depth to the dish.
- Fresh Thyme – Brings a light, herby aroma to complement the dish.
- Balsamic Vinegar (Optional) – Enhances the caramelization process and deepens the flavors.
- Olive Oil – Helps soften and brown the onions and mushrooms.
Step-by-Step Instructions
1. Prep the Chicken
First, get that oven preheating to 375°F. Then grab a sharp knife and cut six slits into the top of each chicken breast.
And here’s the important part: don’t cut all the way through. We want those little pockets to hold all that good spinach and goat cheese filling later.
Drizzle the chicken with olive oil, season with salt and pepper, and set it aside.
2. Make the Spinach & Goat Cheese Filling
Now for the good stuff.
Heat the olive oil in your ovenproof skillet and add the spinach and garlic powder. Cook until the spinach wilts down. It happens fast, so keep an eye on it.
Transfer the spinach to a bowl, stir in the goat cheese, and mix until everything is nicely combined. Then start filling those little slits in the chicken.
Don’t worry if it gets a little messy. That’s part of the fun.
3. Caramelize the Onions & Mushrooms
Using that same skillet, add the onions, mushrooms, thyme, and the optional balsamic vinegar.
Cook until the onions are caramelized and the mushrooms are golden brown. Give them their few minutes of attention here—they’re bringing a lot of flavor to this dinner.
Once they’re ready, move the onion and mushroom mixture toward the edges of the skillet. This makes room for the stuffed chicken.
4. Bake the Chicken
Now place the stuffed chicken breasts in the skillet, leaving a little space between each one.
Into the oven they go. Bake for 20 to 30 minutes, or until the chicken reaches 165°F (75°C) in the thickest part.
Then serve it hot with those caramelized onions and mushrooms.
And there you have it. A very good-looking chicken dinner without a complicated production.
Expert Tips
Don’t cut all the way through the chicken. This is probably the biggest thing to watch when making the hasselback cuts. You want deep pockets, not chicken slices.
Use a meat thermometer. Chicken is done when the thickest part reaches 165°F (75°C). No guessing, no cutting into every piece to check.
Make the filling ahead. If you’re the kind of person who likes to get dinner halfway done before the dinner rush begins, good news: the spinach and goat cheese mixture can be made a day ahead and kept covered in the refrigerator.
No ovenproof skillet? No problem. Sear the chicken in a regular skillet, then transfer everything to a baking dish before baking. Easy enough.
Don’t rush the onions and mushrooms. They’re not just there to make the plate look pretty. That caramelized, savory flavor is a big part of what makes this chicken work.
Recipe Variations
Want to play around with the filling? Go right ahead.
Swap the goat cheese. Cream cheese works if you’d prefer something milder and extra creamy. Mozzarella is another option, and the original recipe suggests adding ¼ cup shredded mozzarella for even more cheesy goodness.
Try feta and ricotta. If you want to change things up, a feta and ricotta combination gives the filling a different flavor while keeping it creamy.
Make it dairy-free. Use a dairy-free cream cheese alternative in place of the goat cheese. Simple swap.
And if you really love mushrooms, well, there’s certainly nothing wrong with adding a few more to your plate. I won’t argue with you there.
Storage & Reheating
Got leftovers? Lucky you.
Let the chicken cool, then store it in an airtight container in the refrigerator. When you’re ready for round two, reheat it gently until warmed through.
The spinach and goat cheese filling can also be made ahead, which is especially handy when you’re trying to get dinner on the table without doing every single step at once.
The supplied recipe notes point readers to the full post for additional storage and freezing instructions, so I wouldn’t invent specific freezer times that aren’t included in the recipe card.
Serving Suggestions
This chicken already comes with caramelized onions and mushrooms, so you’ve got a pretty good dinner happening right there.
For a simple low-carb meal, serve it with a crisp green salad or another vegetable side. Want something a little heartier? Add roasted potatoes, rice, or your favorite grain.
And don’t forget to spoon those onions and mushrooms over the chicken. That’s the good stuff.
Honestly, this is the kind of dinner that makes regular old chicken breast feel like something worth sitting down for. And that’s a win in my book.
Goat Cheese & Spinach Stuffed Chicken Breast with Caramelized Onions & Mushrooms
Ingredients
- 4 boneless, skinless chicken breasts (4-6 oz each)
- 2 tbsp olive oil, divided
- 4 cups fresh spinach
- ½ tsp garlic powder
- 2 oz goat cheese
- 1 white onion, thinly sliced
- 8 oz baby bella mushrooms, sliced
- 1 tsp resh thyme
- 1 tbsp balsamic vinegar (optional)
- Salt & freshly ground black pepper, to taste
Instructions
1.Prep the Chicken
- Preheat oven to 375°F (190°C).
- Using a sharp knife, cut 6 slits into the top of each chicken breast, being careful not to slice all the way through.
- Drizzle each breast with olive oil, then season with salt and pepper. Set aside.
2. Make the Spinach & Goat Cheese Filling
- Heat ½ tbsp olive oil in an ovenproof skillet over medium-high heat.
- Add spinach and garlic powder, cooking until fully wilted.
- Transfer spinach to a bowl and mix in goat cheese until well combined.
- Stuff each slit in the chicken breasts with the spinach-goat cheese mixture.
3. Caramelize the Onions & Mushrooms
- In the same skillet, heat 1 tbsp olive oil over medium heat.
- Add onions, mushrooms, fresh thyme, and optional balsamic vinegar.
- Sauté until the onions caramelize and mushrooms become golden brown, about 5-7 minutes.
- Move the onion-mushroom mixture to the edges of the skillet to make space for the chicken.
4. Bake the Chicken
- Place the stuffed chicken breasts in the skillet, ensuring there is space between each piece.
- Transfer the skillet to the preheated oven and bake for 20-30 minutes, or until the chicken reaches an internal temperature of 165°F (75°C).
- Serve hot with the caramelized onions and mushrooms.
Notes
- Swap goat cheese for cream cheese if desired. For extra flavor, mix ¼ cup shredded mozzarella into the filling.
- Check the full post for storage & freezing instructions.
Nutrition
1. Can I make the filling ahead of time?
Absolutely! The spinach and goat cheese mixture can be prepared a day in advance. Just store it in an airtight container in the fridge until you’re ready to stuff the chicken.
2. What if I don’t have an ovenproof skillet?
No worries! Simply sear the chicken in a regular skillet, then transfer everything to a baking dish before popping it into the oven.
3. How do I know the chicken is fully cooked?
Use a meat thermometer! The thickest part of the chicken should reach 165°F (75°C). No guessing, no dry chicken—just perfectly juicy results!
4. Can I swap out the goat cheese?
Of course! If goat cheese isn’t your thing, cream cheese or mozzarella work just as well. Want extra flavor? Try a mix of feta and ricotta!
5. Is there a dairy-free option?
Yes! Swap the goat cheese for a dairy-free cream cheese alternative. Also, use olive oil instead of butter when sautéing the onions and mushrooms.
