01 - Toast the slices of bread in a toaster or under a broiler until golden and crisp.
02 - In a small mixing bowl, mash the avocado with the lemon juice, salt, and freshly ground black pepper using a fork or potato masher, preserving some texture.
03 - Spread the mashed avocado evenly onto each toasted bread slice.
04 - Arrange the smoked salmon slices over the avocado layer.
05 - Sprinkle with chopped fresh dill or chives, red pepper flakes, and capers if desired.
06 - Serve immediately, accompanied by lemon wedges.