We wash the greens well, finely chop and mix with softened oil, adding lemon juice and salt to taste.
Cut the bread into pieces convenient for sandwiches.
Lubricate the bread with the cooked butter, put the slices of fish on top. You can also decorate with red caviar and green leaves.
The sandwich with green butter and salmon turns out to be tasty, with a bright and delicate taste, salmon goes well with butter and white bread. Such sandwiches will decorate any festive table or buffet. Cooking them is simple and fairly quick, you can pre-put the oil in the refrigerator so that it freezes a little, or put ready-made sandwiches.