Separate eggs. Whisk the egg yolks, vanillin sugar, 1 pinch of salt and 8 tablespoons of milk. Alternately stir in flour and 45 ml milk. Beat the egg whites until stiff, adding 1 tablespoon of sugar. Carefully fold the beaten egg whites into the mixture. Heat clarified butter in a pan (approx. 24 cm Ø).
Pour in the dough round from the edge to the inside. Bake at low heat until golden yellow. Quarter the sardines with a spatula, turn them over and bake from the other side until golden brown. Then tear into pieces with 2 forks, sprinkle with 1 teaspoon of sugar and allow to caramelize while tossing. Arrange the sour cream immediately and dust with icing sugar. Add the red fruit jelly