Boil 2 eggs for about 9 minutes until hard, quench. In the meantime peel onions and cut them into fine rings. Wash the parsley, dab dry and pluck the leaves from the stalks. Season vinegar with salt and pepper, fold in oil.
Whisk 4 eggs, salt, milk and flour. Grease a coated pan and bake 4 crêpes in succession. Spread each crêpe with 1 teaspoon of horseradish. Peel and slice the eggs. Cover half of each crêpe with 1 slice of salmon, parsley, onion rings and egg slices.
Sprinkle half of the alfalfa sprouts on the ingredients. Fold over the crépes and fold over both sides. Tie up with chives. Clean the salad, wash and pat dry. Mix salad and remaining alfalfa sprouts.
Drizzle with vinaigrette. Arrange crêpes and salad.