Begin by cooking the pasta according to package instructions in salted water. Drain and set aside, reserving 1/2 cup of the pasta water.
While the pasta is cooking, heat 1 tablespoon of olive oil in a large skillet over medium heat. Season the chicken breasts with salt and pepper, then add them to the skillet. Cook for about 6-7 minutes on each side until golden brown and fully cooked. Remove from the skillet and let rest for 5 minutes before slicing.
In the same skillet, add the remaining tablespoon of olive oil and minced garlic. Sauté for about 1 minute until fragrant.
Add the halved cherry tomatoes and balsamic vinegar to the skillet. Cook for about 3-4 minutes, just until the tomatoes start to soften.
Return the sliced chicken to the skillet along with the cooked pasta and chopped basil. Mix everything together, adding some reserved pasta water if needed to loosen the sauce.
Stir in the mozzarella cheese until melted and well combined.
Adjust seasoning with more salt and pepper to taste.
Serve hot, offering grated Parmesan cheese on the side for those who desire extra flavor.
Notes
Serve with grated Parmesan cheese on the side for extra flavor.