Cut the baguette into fine slices. Heat 2 tablespoons of oil in a pan one after the other. Roast the baguette in portions in the pan until golden brown, season with salt and pepper. Peel the onion.
Cut gherkins and onion into fine cubes. Wash dill, dab dry and pluck flags from the stems. Put something aside for garnishing. Finely chop the remaining dill. Dice salmon finely and mix with finely chopped dill, gherkins, onion and 1 tablespoon of oil.
Season to taste with lemon juice and pepper. With the help of 2 tablespoons, cut off the cams and serve. Garnish with dill. Serve with baguette slices.