Preheat oven (electric cooker: 200 °C/circulating air: 175 °C/gas: stage 3). Line a baking tray with baking paper and place in the oven. Stir flour, eggs, milk, salt and pepper until smooth. Stir in sparkling water
Remove the sheet metal. Grease baking paper immediately. Pour dough on top and bake in the hot oven for about 12 minutes. Wash the chives and cut into small rolls
Pull the pancakes off the tray and let them cool down briefly. Mix 150 g crème fraîche and horseradish. Spread the pancakes with it. Sprinkle with chives, cover with salmon
Roll up the pancake from the long side using the baking paper. Cut into about 8 slices. Serve with the remaining crème fraîche. Serve with a fresh salad