Cheesy Chicken Bruschetta Bread Boats

Ingredients (10)

• 1 cup balsamic vinegar
• 1 teaspoon sugar
• 2 large sub buns
• 3 Tablespoons olive oil, divided
• 2 large chicken breasts, cut into 1 inch cubes
• 4 ounces fresh mozzarella, sliced
• 4 tomatoes, chopped
• 2 cloves garlic, minced
• 1 bunch fresh basil leaves, roughly chopped
• Salt and Pepper