Grilled Avocado Caprese Crostini

Bahan-bahan (4 porsi)

• 8 pieces French baguette (or Italian baguette, sliced 1/2-inch thick)
• 2 tablespoons olive oil
• 1 avocado (sliced thinly)
• 9 ounces vine ripened cherry tomatoes (halved)
• 3.5 ounces fresh bocconcini in water (or baby mozzarella balls)
• 1/2 cup basil leaves (divided)
• 2 tablespoons balsamic glaze