Preheat Oven: Preheat your oven to 375°F (190°C).

Prepare Filling: In a bowl, mix mozzarella, cherry tomatoes, basil, and balsamic glaze.

Stuff Chicken: Slice a pocket in each chicken breast and fill with the Caprese mixture. Season with salt and pepper.

Sear Chicken: Heat olive oil in a skillet over medium-high heat. Sear each stuffed chicken breast for 3-4 minutes on each side.

Bake: Transfer to a baking dish and bake for 20-25 minutes, until the chicken is cooked through.

Serve: Drizzle with extra balsamic glaze if desired. Enjoy your flavorful dish!