Preheat oven to 400 degrees F. Brush baguette slices with oil on both sides, sprinkle with salt and bake for 10 minutes, turning once. Remove from the oven and let cool completely.
In a medium bowl, add cream cheese, lemon zest, lemon juice, dill, salt and pepper. Stir well to combine.
Arrange cooled crostini on a serving platter. Spread with cream cheese mixture, dividing equally among all crostini.
Then top with a slice of cucumber, rolled up salmon piece, and garnish with capers and dill. Serve as bite-sized appetizers.
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Notes
Make ahead: Bake crostini toasts up to 3 days in advance. Make sure to cool completely and then store in an airtight container. Crostini will soften if you seal them while still warm. Do not refrigerate as they will taste stale.Prepare and refrigerate cream cheese mixture for up to 3 days ahead as well. On the day of serving, all you have to do is slice cucumbers, assemble this smoked salmon appetizer and add garnish.Store leftovers: Cover leftover crostini with plastic wrap or place in airtight container and refrigerate for up to 2-3 days.