Keto-Friendly Mozzarella Stuffed Chicken: A 30-Minute Gourmet Dinner

Introduction

There is something undeniably satisfying about cutting into a perfectly seared chicken breast only to find a molten center of melted mozzarella and vibrant vegetables. If you have been looking for a way to break out of a “boring chicken” rut, this Roasted Red Pepper, Spinach, and Mozzarella Stuffed Chicken is the answer. It feels like a dish you would order at a high-end Italian bistro, yet it comes together in just about 30 minutes in your own kitchen.

As a food writer, I’m always searching for recipes that balance nutritional value with “wow factor” presentation. This recipe hits both marks. The sweetness of the roasted red peppers complements the earthy spinach, while the mozzarella provides that creamy, cheese-pull finish we all crave. Whether you are hosting a small dinner party or just trying to impress your family on a Tuesday night, this recipe is a guaranteed winner.

Why I Love This Recipe

What makes this stuffed chicken truly special is the contrast of textures. You get a savory, spiced crust on the outside from the pan-sear, followed by the tender chicken, and finally the soft, flavorful filling.

  • Low Carb & Keto Friendly: It’s naturally high in protein and very low in carbohydrates, making it perfect for various dietary goals.
  • Minimal Cleanup: Since we sear the chicken and then finish it in the oven (often in the same oven-safe skillet), the cleanup is manageable.
  • Meal Prep Friendly: These store beautifully and can be reheated for a gourmet office lunch the next day.
  • Customizable: Once you master the “pocket” technique, the stuffing possibilities are endless.

If you love these kinds of cozy, crowd-pleasing meals, you should also check out these chicken enchiladas for another flavorful dinner option.

Ingredients

To make this delicious meal, you will need the following pantry staples and fresh ingredients:

  • 4 boneless, skinless chicken breasts: Try to choose breasts that are uniform in thickness.
  • 2 roasted red peppers: You can use jarred peppers (drained) or roast your own. Slice them into thin strips.
  • 1 cup fresh spinach leaves: These will wilt down perfectly inside the chicken.
  • 1 cup shredded mozzarella cheese: For that classic gooey melt.
  • 2 tbsp olive oil: For searing and coating.
  • 1 tsp garlic powder: Adds a deep, savory base.
  • 1 tsp paprika: For color and a hint of smokiness.
  • ½ tsp dried oregano: Gives it a Mediterranean flair.
  • Salt & black pepper: To taste.
  • Fresh parsley: Chopped, for a bright garnish.

Swaps and Notes

  • The Cheese: If you want a sharper flavor, try swapping mozzarella for provolone or even a dollop of goat cheese.
  • The Greens: Not a fan of spinach? Thinly sliced kale or even a little bit of arugula works well.
  • The Peppers: If you don’t have roasted red peppers, sun-dried tomatoes make an excellent, tangy substitute.
  • Chicken Prep: To ensure the chicken stays juicy, avoid over-cutting. You want a pocket, not a butterfly cut that goes all the way through.

Step-by-Step Directions

  1. Prep the Oven: Preheat your oven to 375°F (190°C). Lightly grease a baking dish or have a cast-iron skillet ready.
  2. Create the Pocket: Place the chicken breast flat on a cutting board. Using a sharp knife, slice a pocket into the thickest part of each breast by cutting lengthwise. Be careful not to cut all the way through to the other side.
  3. Stuff the Chicken: Evenly divide the roasted red pepper strips, fresh spinach, and mozzarella cheese among the four chicken breasts. Stuff the ingredients deep into the pocket. If they seem like they might fall out, secure the opening with two or three toothpicks.
  4. Seasoning: In a small bowl, whisk together the olive oil, garlic powder, paprika, oregano, salt, and pepper. Rub this mixture generously over both sides of the stuffed chicken breasts.
  5. The Sear: Heat a large skillet over medium-high heat. Once hot, sear the chicken for 2–3 minutes per side. You are looking for a beautiful golden-brown crust.
  6. The Bake: Transfer the chicken to your baking dish (or simply put the skillet in the oven if it’s oven-safe). Bake for 20–25 minutes.
  7. Check for Doneness: The chicken is ready when the internal temperature reaches 165°F (74°C).
  8. Rest and Serve: Remove the toothpicks, garnish with fresh parsley, and let the chicken rest for 5 minutes before serving to keep the juices locked in.

Tips for Success

  • Don’t Overcrowd the Pan: When searing, make sure the chicken breasts aren’t touching. This ensures they brown rather than steam.
  • Dry the Chicken: Pat the chicken dry with paper towels before seasoning. This helps the oil and spices stick and results in a better sear.
  • Use Fresh Spinach: While frozen spinach can work, it holds a lot of moisture. If you use frozen, make sure to squeeze out every drop of water first to avoid a soggy filling.
  • Let it Rest: Resting the meat is the secret to juicy chicken. If you cut it immediately, the cheese and juices will run out onto the plate.

Serving Suggestions and Pairings

This dish is quite hearty on its own, but it pairs beautifully with light sides. I love serving it over a bed of classic spaghetti with homemade sauce for a full Italian feast.

If you’re looking for a great starter to serve while the chicken bakes, this baked brie appetizer is always a hit with guests. For those wanting a more casual meal, you could even slice the finished chicken and serve it inside easy cheesy chicken sliders.

Nutritional Information (Per Serving)

  • Calories: ~360
  • Protein: 45g
  • Carbs: 4g
  • Fat: 18g
  • Fiber: 1g
  • Sodium: 420mg

Storage and Leftover Tips

To Store: Keep leftovers in an airtight container in the refrigerator for up to 3 days.

To Reheat: To prevent the chicken from becoming rubbery, I recommend reheating it in the oven at 325°F covered with foil until warmed through. Alternatively, you can slice it and gently warm it in a skillet with a splash of chicken broth.

Freezing: You can freeze the stuffed (but uncooked) chicken for up to 2 months. Thaw completely in the fridge before searing and baking.

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Final Thoughts

This Roasted Red Pepper, Spinach, and Mozzarella Stuffed Chicken is proof that healthy eating doesn’t have to be bland. It’s colorful, flavorful, and incredibly satisfying. I hope this becomes a staple in your home just as it has in mine!

Did you make this recipe? I’d love to hear how it turned out! Leave a comment below or tag us on social media. Don’t forget to follow ChefManiac for more easy, delicious recipes delivered straight to your feed.