Preheat the oven to 425°F.
Arrange the bread pieces on a baking sheet lined with parchment paper.
Pour the olive oil over the bread pieces.
Pour the Trader Joe's bruschetta sauce over the bread pieces.
Place the quartered mozzarella cheese pieces on top of the bread.
Bake for 10 minutes, or until the cheese is melted and the bread is crispy.
Remove from the oven and drizzle the balsamic glaze over the top.