Tuna crostini is a delicious and elegant appetizer that is perfect for any occasion. This dish features crispy baguette slices topped with a flavorful mixture of canned tuna, mayonnaise, lemon juice, and herbs. The crostini are then garnished with fresh herbs and a squeeze of lemon for a burst of freshness. This recipe is quick and easy to make, and it is sure to impress your guests with its combination of textures and flavors.