Crêpe batter: pour flour into a bowl, add milk, eggs, sugar and salt. Blend into smooth batter. Add oil or butter and blend again. Set aside for about 30 minutes - if we have time.
Cheese filling: mash the curd cheese with a press, then mix with sour cream, vanilla sugar and powdered sugar. Combine with diced strawberries.
Heat the crêpe pan and fry the crêpes.
Spread about 2 tablespoons of cheese filling with strawberries and roll into rolls. Can be gently warmed before serving.
Sprinkle with powdered sugar and decorate with Nutella.