1-First, in a bowl, combine the cubed tomatoes, minced garlic, shallot, chopped basil, half the salt and pepper, and 1 tablespoon olive oil. Mix well and set aside to let the flavors blend. This step creates the fresh topping that makes the dish special.

2-Next, season both sides of the chicken breasts with the remaining salt and pepper for even flavor. Heat the remaining 1 tablespoon olive oil in a skillet over medium-high heat and cook the chicken for 3 to 4 minutes on each side until browned. This searing locks in the juices and gives a nice crust.

3-Then, place a slice of mozzarella cheese on each chicken piece, cover the skillet with a lid, and allow the cheese to melt for about 1-2 minutes. Remove from heat once melted. Finally, spoon the prepared bruschetta evenly over each chicken breast and drizzle with balsamic glaze. Serve immediately for the best taste and texture.