Preheat your air fryer to 374 F | 190 C. Grease the basket with cooking spray.
Marinate the chicken
In a large bowl, add chicken, oil, garlic, salt, pepper, dried basil, oregano, and balsamic vinegar. Toss to cover the chicken and set aside while the air fryer is heating. When ready, place chicken breast in the air fryer basket and air fry for about 5 minutes then flip chicken and cook the other side for another 5 minutes. Remove and slice the chicken.
Balsamic Glaze
Add balsamic vinegar and sugar to a saucepan. Cook on medium heat by whisking frequently until the sauce thickens.
Caprese Salad
In a large salad bowl, add lettuce, tomato, avocado, mozzarella balls, and chicken. Garnish with basil leaves and drizzle with the balsamic glaze.