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A golden-brown whole roasted chicken on a dark plate, accompanied by a side bowl of roasted baby potatoes and asparagus, with a knife resting on the slate counter.

Stuffed Chicken Breast

Golden seared stuffed chicken breast filled with a creamy spinach, Parmesan, and mozzarella mixture juicy all the way through and impressive enough for any occasion. Sear on the stovetop, finish in the oven, done in 35 minutes.
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Prep Time 15 minutes
Cook Time 20 minutes
Total Time 35 minutes
Servings: 4
Course: dinner, Main Course
Cuisine: American
Calories: 420
Ingredients Equipment Method Notes

Ingredients
  

  • 4 Boneless skinless chicken breasts 7-8 oz each - larger sizes need longer bake time
  • 1 tsp Kosher salt For exterior seasoning
  • 1 tsp Smoked paprika
  • 1 tsp Garlic powder
  • 1/2 tsp Black pepper
  • 1/2 tsp Onion powder
  • 1 tbsp Avocado oil For searing - high smoke point
FOR THE FILLING
  • 4 oz Cream cheese Room temperature - softened
  • 1 cup Fresh baby spinach Roughly chopped
  • 1/3 cup Grated Parmesan cheese Freshly grated preferred
  • 1/3 cup Shredded mozzarella Low-moisture whole milk
  • 2 Garlic cloves Freshly minced
  • 1/4 tsp Red pepper flakes Optional
  • 1/4 tsp Black pepper
  • 1/4 tsp Kosher salt

Equipment

  • 1 Oven-safe cast iron skillet For searing then transferring directly to oven
  • 1 Sharp chef's knife Essential for cutting clean pocket
  • 1 Instant-read thermometer Check meat at 165F - not the filling
  • 8-12 Toothpicks 2-3 per breast to seal the pocket
  • 1 Small mixing bowl For combining filling ingredients

Method
 

  1. Preheat oven Preheat oven to 425F (220C). This high temperature ensures the stuffed chicken breast cooks through quickly without drying out the exterior.
    A sleek modern kitchen setup featuring a stainless steel wall oven preheating to 425°F (220°C), with a dark slate countertop holding fresh spinach leaves, a bowl of oil, spices, and a basting brush.
  2. Make the filling In a small bowl, mix softened cream cheese, chopped spinach, Parmesan, mozzarella, minced garlic, red pepper flakes, salt, and pepper until evenly combined. Taste and adjust seasoning. Set aside at room temperature.
    A black bowl filled with a creamy spinach and cheese filling mixture garnished with spices and a spoon, sitting on a dark countertop next to a kitchen knife with an oven in the background.
  3. Cut the pocket Place chicken breast flat on a cutting board. Hold firmly with your non-dominant hand. Insert a sharp knife at the thickest point and cut a pocket three-quarters of the way through, parallel to the cutting board. Stop half an inch from the edges. The pocket should open at one end and be sealed at the other three sides.
    A pair of gloved hands using a sharp chef's knife to carefully cut a pocket into a raw chicken breast on a dark slate cutting board.
  4. Season the exterior Mix salt, smoked paprika, garlic powder, black pepper, and onion powder. Drizzle avocado oil over the chicken and rub to coat. Sprinkle spice blend generously over both sides and inside the pocket.
    A gloved hand sprinkling seasoning over an oiled chicken breast with a cut pocket, sitting on a dark slate board with a bowl of spices in the background.
  5. Fill and seal Spoon filling into each pocket about two to three tablespoons per breast. Do not overfill past three-quarters full or the pocket will not close. Seal the open edge with two to three toothpicks spaced evenly. Some filling near the edge is fine a little at the seam helps seal it naturally.
    A pair of gloved hands using a spoon to add a creamy spinach and cheese filling into the pocket of an oiled and seasoned chicken breast, secured with toothpicks on a dark slate board.
  6. Sear Heat avocado oil in an oven-safe cast iron skillet over medium high heat until shimmering. Place stuffed chicken breast seam side up. Sear for 2 minutes until golden on the bottom. Flip carefully and sear the other side for 2 minutes. The exterior should be golden before going into the oven.
    A stuffed chicken breast baking in a cast-iron skillet inside a hot oven, showing bubbling cheese filling and steam rising.
  7. Bake Transfer the skillet directly to the preheated oven. Bake at 425F for 16 to 20 minutes depending on breast size. At 16 minutes, check the internal temperature at the thickest point of the meat away from the filling.
    A gloved hand inserting a digital meat thermometer into a cooked stuffed chicken breast in a cast-iron skillet, showing a reading of 165°F with steam rising.
  8. Rest and serve Remove when the thickest part of the stuffed chicken breast reads 165F. Rest for 5 minutes before removing toothpicks and serving. The filling will be extremely hot let it cool for a minute before cutting. Serve with roasted potatoes or steamed vegetables alongside.
    A golden-brown stuffed chicken breast served on a dark plate alongside roasted baby potatoes and asparagus, with a knife resting in the background.

Notes

  • Cream cheese base is essential: ricotta or cottage cheese contains too much water and pushes filling out during baking.
  • Room temperature cream cheese: cold cream cheese is harder to mix and tears the pocket when filling.
  • Pocket depth: three-quarters through the thickest part, stopping half an inch from edges. Open at one end, sealed at three sides.
  • Do not overfill: three quarters full maximum. Overfilled pockets burst during cooking.
  • Toothpicks: 2 to 3 per breast, evenly spaced along the seam. Remove before serving.
  • Large breasts (over 9 oz): add 3 to 5 extra minutes of bake time and check temperature carefully.
  • Make ahead: stuff and refrigerate up to 24 hours before cooking. Bring to near room temperature before searing.
  • Storage: airtight container, fridge up to 3 days.
  • Reheat: oven at 325F for 12 to 15 minutes covered with foil.
  • Freeze: up to 2 months. Thaw overnight in fridge, reheat in oven covered.