Mix the softened butter with 2 teaspoons of caviar. Grease the loaf slices with a thin layer.
Cut each piece of fish slices into “petals”. Place 4 “petals” on the edge of the flower-shaped slice. Put 1/3 teaspoon of black caviar in the middle. Above – half a green olive.
Cut the cucumbers lengthwise into thin slices. On each slice, cut to the middle on one side. Make the stem from green onions. Decorate sandwiches with red fish with cranberries or red currants. I had frozen red currants. It remains to put the sandwiches on the platter.