Heat the oil in a frying pan. Fry the slices of bread in it from both sides until brown, season with a little salt, remove
Cut 12 small pieces from the trout fillets. Pluck the rest of the trout, mash them coarsely with horseradish and sour cream, season with salt and pepper
Spread slices of bread with trout cream, cover with 2 pieces of trout each and garnish with dill