Peel, wash and chop the potatoes. Cover and cook in salted water for about 20 minutes. Drain, steam off well and press through a potato press. Cool down
Grease four ovenproof moulds (approx. 7 cm Ø) and sprinkle with breadcrumbs
Grate cheese. Separate eggs. Beat egg whites until stiff. Mix well half the fat until creamy. Add egg yolk, potatoes and
Mix 2/3 cheese. Season with salt, pepper and nutmeg. fold in the beaten egg white
Pour the mixture into the moulds. Sprinkle with the remaining cheese and place the remaining fat in flakes on top. Bake in the preheated oven (electric range: 200 °C/circulating air: 175 °C/gas: level 3) for approx. 20 minutes until golden brown
Whip vinegar, salt, pepper, sugar and oil. Wash salad, pluck smaller. Tomatoes wash, halve. Mix both with marinade and serve with the soufflé