Spicy canapes

Preparation:

Preparation: Spread the bread with butter after removing the crust, and in the meantime prepare the dough as follows. Pound the hard-boiled egg yolks in a mortar with the anchovies, parsley, a few capers and spread this paste on the sandwich bread and then sprinkle it, but only half diagonally, with the minced egg white. On the uncovered part you will put a wheel of pickled cucumber.