01 -
Preheat oven to 190°C. Lightly grease a 20 cm by 20 cm baking dish with cooking spray and set aside.
02 -
Heat olive oil in a large skillet over medium-high heat. Add chicken pieces in a single layer. Season with Italian seasoning, salt, and pepper. Sauté for 8–10 minutes, stirring occasionally, until golden and cooked through to 74°C internal temperature. Remove from heat.
03 -
While chicken cooks, combine diced tomatoes, minced garlic, and balsamic vinegar in a large bowl. Toss until tomatoes are well coated.
04 -
Distribute half of the tomato mixture in the bottom of the prepared baking dish. Layer sautéed chicken evenly over the tomatoes, then spoon the remaining tomato mixture on top.
05 -
Sprinkle shredded mozzarella cheese over the assembled layers. Bake uncovered for 20–25 minutes, until cheese is melted and tomatoes are softened.
06 -
Allow to rest for 2–3 minutes after baking. Garnish with chopped fresh basil just before serving.