01 -
Set oven to 375°F (190°C).
02 -
Melt 2 tablespoons butter with 1 tablespoon olive oil in a skillet over medium heat. Add mushrooms and cook until browned and tender, about 5–6 minutes. Stir in minced garlic, dried thyme, salt, and black pepper; cook for 1–2 minutes until fragrant. Remove from heat and let cool.
03 -
Slice each chicken breast horizontally almost through to create a pocket. Season inside and out with salt, black pepper, paprika, and garlic powder.
04 -
Fill each chicken breast with the cooled mushroom mixture and top with mozzarella cheese. Fold and seal the edges using toothpicks or kitchen twine.
05 -
Heat 1 tablespoon olive oil in an oven-safe skillet over medium-high heat. Sear each stuffed breast seam-side up for 3–4 minutes per side until golden brown.
06 -
Transfer skillet to the oven and bake for 15–20 minutes until the internal temperature reaches 165°F (74°C). Meanwhile, melt remaining 2 tablespoons butter in a small saucepan over medium heat. Add minced garlic and cook for 1–2 minutes. Stir in chopped parsley and lemon juice if desired.
07 -
Remove toothpicks or twine from chicken. Plate the breasts and drizzle with garlic butter sauce. Serve immediately.