Juicy grilled chicken, tucked around a melty spinach-and-mozzarella filling, gets even better when the cream sauce goes on at the end. The chicken stays clean and smoky from the grill, while the sauce brings the whole plate together with enough richness to make the stuffed center feel special instead of fussy. When you slice into it, you get that great contrast: browned exterior, tender chicken, and a colorful middle that stays put instead of spilling all over the grill.
What makes this version work is the balance between moisture and structure. The spinach gets used raw, but the filling stays contained because the chicken is pounded even, folded tightly, and secured before it hits the heat. Sun-dried tomatoes add a little sweet tang that keeps the cheese from tasting flat, and the cream sauce is built gently so the Parmesan melts in smooth instead of turning grainy.
If you’ve ever had stuffed chicken dry out before the center was warm, the timing notes below will help. I’ve also included a few smart swaps and a storage tip for the leftovers, because this is one of those dishes that eats well the next day too.
The chicken stayed juicy on the grill and the filling held together instead of leaking out. I also loved that the cream sauce thickened up in a few minutes and didn’t break when I added the Parmesan.
Save this grilled stuffed chicken with cream sauce for the night you want something smoky, stuffed, and finished with a silky Parmesan sauce.
The Trick to Keeping Stuffed Chicken Closed on the Grill
Most stuffed chicken problems start before the meat ever hits the heat. If the breasts aren’t pounded to an even thickness, one side overcooks while the other side is still catching up, and the filling gets pushed out as the chicken tightens. A clean fold and a few toothpicks solve most of that, but the real difference is not overfilling the chicken in the first place.
Use just enough filling to create a visible layer inside the breast, not a mound. The chicken should close with a little pressure, and the seam should sit against the grill grate long enough to set before you try to move it. If it sticks, it’s usually because it hasn’t formed a crust yet. Give it another minute instead of forcing it loose.
What the Spinach, Cheese, and Sun-Dried Tomatoes Are Doing Here

- Chicken breasts — Large breasts work best because they give you enough surface area to butterfly and stuff without tearing. If yours are especially thick, pound them evenly so they cook at the same rate from edge to center.
- Fresh spinach — Fresh leaves keep the filling light and help balance the cream sauce. Frozen spinach can work in a pinch, but it must be thawed and squeezed very dry or the filling turns watery and slides out.
- Mozzarella — This gives you the stretchy melt that makes the sliced chicken look and taste satisfying. Low-moisture mozzarella is the better pick here because fresh mozzarella releases too much liquid.
- Sun-dried tomatoes — These bring concentrated sweetness and a little acidity, which keeps the filling from tasting heavy. Chopped finely, they spread through the cheese instead of clumping in one spot.
- Parmesan in the sauce — Parmesan thickens the cream sauce and adds the savory finish that ties the dish together. Grate it fresh if you can; pre-grated cheese can make the sauce a little gritty.
Grilling the Chicken Before the Sauce Ever Touches It
Building the Stuffed Breasts
Butterfly each chicken breast first, then open it like a book and pound it to a more even thickness. The goal is not to flatten it paper-thin. You want a broad, flexible piece that folds cleanly without splitting. Spoon the filling onto one side, close it over, and secure the seam with toothpicks so the stuffing stays in place when the chicken is moved to the grill.
Getting a Clean Grill Mark and a Juicy Center
Grill over medium heat, not high heat. High heat darkens the outside before the center is done, which is how stuffed chicken ends up dry and still undercooked in the middle. Let each side cook until it releases more easily from the grate and the thickest part reaches 165°F. If the exterior is browning too fast, move the chicken to a cooler spot on the grill and let it finish more gently.
Making the Cream Sauce at the End
Melt the butter and cook the garlic just until fragrant. If the garlic browns, the sauce picks up a bitter edge that will show through the cream. Pour in the cream, stir in the Parmesan and Italian seasoning, and keep the heat low while it simmers. The sauce should coat a spoon and leave a clean line when you drag a finger across the back of it. That’s the point where it’s ready to go over the chicken.
Make It Without the Grill
A cast-iron skillet gives you the closest match if the grill isn’t an option. Sear the stuffed chicken over medium heat, then finish it in a 375°F oven until the center reaches 165°F. You’ll lose a little smoke, but the stuffing stays intact and the chicken still gets a good browned exterior.
Dairy-Free Version
Use a dairy-free mozzarella-style shred in the filling and swap the cream sauce for unsweetened coconut cream thickened with a little cornstarch. The flavor changes, but the structure still works, and the sun-dried tomatoes keep the sauce from tasting flat.
Gluten-Free by Default
This recipe is already gluten-free as written, as long as your Parmesan and sun-dried tomatoes are packaged without additives that contain wheat. It’s an easy main dish to serve when you need something that works for mixed dietary needs without extra changes.
Storage and Reheating
- Refrigerator: Store the chicken and sauce separately for up to 3 days. The filling stays best when the chicken isn’t sitting in the sauce overnight.
- Freezer: The stuffed chicken freezes fairly well before saucing. Wrap tightly and freeze for up to 2 months, then thaw in the refrigerator. The cream sauce is best made fresh because dairy sauces can turn grainy after freezing.
- Reheating: Reheat the chicken covered in a 325°F oven until warmed through, then warm the sauce slowly on the stovetop over low heat. Don’t blast either one in the microwave on high, or the chicken turns dry before the center is hot.
Answers to the Questions Worth Asking

Grilled Stuffed Chicken with Cream Sauce
Ingredients
Equipment
Method
- Butterfly the chicken breasts and pound them to an even thickness so they cook evenly on the grill.
- Mix the spinach, mozzarella, and sun-dried tomatoes until the filling holds together in a scoopable mixture.
- Place the filling on one side of each chicken breast, fold over, and secure with toothpicks.
- Season the outside of each stuffed chicken breast with salt and pepper.
- Grill the chicken over medium heat for 8-10 minutes per side, until the internal temperature reaches 165°F.
- Melt the butter in a skillet over medium heat.
- Sauté the garlic for 30-60 seconds until fragrant, then add the heavy cream.
- Stir in the Parmesan and Italian seasoning, then simmer for 3-6 minutes until the sauce thickens enough to coat the back of a spoon.
- Remove the toothpicks from the chicken and let the chicken rest for 5 minutes before serving.
- Slice the chicken and drizzle with the cream sauce so the filling shows through.


