Step 1

Blend softened butter with finely chopped chives and a pinch of salt. If using unsalted, check for flavor and add more if necessary.

Step 2

Peel or score the cucumber (see notes). Slice very thinly.

Step 3

Butter each slice of bread and lay cucumbers on 3 slices, slightly overlapping.

Step 4

Top with remaining slices of bread and trim crusts carefully. Cut into fingers or triangle.

Step 5

If desired, butter one edge of each sandwich and cover with finely chopped chives