Defrost the spinach in a sieve. Line a fat pan (approx. 32 x 39 cm) with baking paper and heat in a preheated oven (electric cooker: 200 °C/ circulating air: 175 °C/ gas: level 3). Squeeze the spinach well and chop coarsely
Mix eggs, milk, mineral water and flour. Season with salt and pepper. Stir in spinach and gouda. Grease baking paper. Spread the dough evenly and bake in the oven for 17-20 minutes. Take out and let cool down
Stir the cream cheese until smooth and spread it on the pancake. Spread 200 g salmon on top and sprinkle with lemon juice. Roll the dough firmly into a roll using the baking paper. Garnish with remaining salmon strips, dill and parsley