Preheat oven to 375 degrees
Season chicken with garlic powder, onion powder, parsley, salt and pepper.
Place the chicken on a rimmed baking sheet and bake for 25-30 minutes or until it registers 165 degrees. Remove chicken from oven.
Preheat boiler.
Divide avocado, tomato, and mozzarella between cooked chicken.
Broil for 1-2 minutes or until cheese has melted.
Drizzle with balsamic glaze and garnish with basil.