01 - 
                Preheat your oven to 375°F (190°C). Carefully slice each chicken breast to create a pocket for the filling.
              
              
              
                02 - 
                In a skillet over medium heat, melt 1 tablespoon of butter. Add the minced garlic and mushrooms, cooking until softened. Stir in the cream cheese and mozzarella until well combined.
              
              
              
                03 - 
                Fill each chicken breast with the mushroom-cheese mixture, securing them with toothpicks to keep the filling in place.
              
              
              
                04 - 
                In the same skillet, melt the remaining tablespoon of butter over medium-high heat. Sear the stuffed chicken breasts on both sides until golden brown.
              
              
              
                05 - 
                Pour the chicken broth into the skillet, cover, and transfer to the oven. Bake for 25 minutes, or until the chicken is cooked through.
              
              
              
                06 - 
                Sprinkle with fresh thyme and serve with your favorite sides.