Prep the flavor components first: zest 1/2 lemon and reserve the zest; squeeze about 1/2 teaspoon lemon juice into a small bowl. Finely chop 1 tablespoon fresh dill and drain 1 tablespoon capers. Doing these small tasks first keeps assembly smooth and prevents over-mashing the avocado while you look for other items.

Toast the bread: place the 2 slices of whole-grain bread in a toaster or under a hot broiler until golden-brown and just crisp — about 2–3 minutes. Toasting concentrates the bread’s nutty flavor and gives structure so the avocado and salmon don’t make the bread soggy.

Warm the bread surface (optional) and oil it: when the toast is hot, brush each slice lightly with 1/2 teaspoon extra-virgin olive oil (total 1 tsp). The oil creates a moisture barrier for the avocado and adds a silky mouthfeel. If you prefer, use a thin swipe of butter instead for a richer finish.

Mash the avocado: scoop the flesh from 1/2 avocado into a bowl and mash with a fork to a slightly chunky texture (some small pieces should remain). Stir in the reserved 1/2 teaspoon lemon juice, a small pinch of flaky sea salt (about 1/8–1/4 tsp), and a few turns of freshly ground black pepper. The lemon juice brightens the avocado and slows browning; leaving some texture gives pleasant contrast to the silky salmon.

Spread the mashed avocado evenly on the toasted bread while the toast is still warm. Spreading onto warm toast gently warms the avocado and helps it adhere to the bread without becoming greasy.

Layer the smoked salmon: fold or loosely roll the 3 oz smoked salmon slices and arrange them in graceful ribbons over the avocado. Folding creates height and texture so each bite alternates between creamy avocado and silky salmon.

Finish with accents: scatter the drained capers over the salmon, sprinkle the lemon zest and chopped dill evenly, then add a few extra cracks of black pepper and a light pinch of flaky sea salt if needed. Capers add briny pop, lemon zest adds a floral citrus lift, and dill ties to classic Scandinavian flavors.

Serve immediately: place the open toasts on a warmed plate and serve right away. Smoked salmon is best at cool room temperature so it contrasts nicely with the warm toast; waiting will allow the toast to soften and the flavors to become muted.