Grilled Naan Pizza with Strawberry, Chicken, and Avocado

Bahan-bahan (4 porsi)

• 1/4 cup balsamic vinegar (plus 2 tablespoons, divided)
• 1 medium boneless, skinless chicken breast ((about 8 ounces))
• 2 tablespoons extra virgin olive oil (divided)
• 1 medium avocado
• 8 ounces fresh strawberries (about 1 1/2 cups sliced)
• 3 ounces goat cheese (about 3/4 cup crumbled*)
• 1/2 cup loosely packed fresh basil leaves
• 2 cooked naan flatbreads (regular or whole wheat, or Homemade Naan)