Beat the eggs until frothy. Add the flour and a little lemon zest. Melt the butter and stir in. Season with salt and sugar and fill up with the cream. Stir everything vigorously and let rise for half an hour.
Heat up a crepe pan and evenly spread a large ladle of batter in it. Bake until the top bubbles and is dry. Turn the crepe over and bake the other side as well.
Brush the crepe with nut nougat cream, peel a banana and roll into the crepe. Repeat this process. Arrange and serve.