They are both Italian in origin and are often used interchangeably. Crostini in Italian translates to "little toasts" or  “little crusts”. They are served as an appetizer with a topping and spreads. Bruschetta is from the Italian Bruscare which is translated as “to roast over coals.” This traditional garlic bread is made by rubbing slices of toasted bread with garlic cloves, then drizzling the bread with extra-virgin olive oil. They’re grilled over a fire and are slightly thick