Prepare oil for vegetable canapés. Wash parsley and dill, finely chop; peel the garlic, chop; mix garlic and herbs with 3 tbsp. l. butter.
Prepare oil for fish canapés. Separate lettuce into leaves, wash and dry. Finely chop large lettuce leaves, set aside smaller ones for garnish. Grate the lemon zest on a fine grater, squeeze the juice from the lemon pulp. Mix 3 tbsp. l. butter with chopped lettuce, lemon juice and zest. For meat canapes, mix mayonnaise, ketchup and chopped cilantro.
Cucumbers and tomatoes cut into semicircles, eggs, radishes, olives and olives - thin circles. Cut the fish into small pieces. Cut boiled-smoked and raw-smoked ham first into thin plates, then into triangles. Cut sausage and sausages into thin circles.
Remove crust from white bread. Cut the bread into long longitudinal plates 5 mm thick. Lubricate a third of the plates with a thin layer of butter with garlic, a third with butter with lemon, the remaining bread with mayonnaise with ketchup. Lay the prepared snacks on the bread. Cut canapes.