Put the flour in a mixing bowl. Rub yeast into the flour with your fingers (like crumbles). Add salt and water. Knead ingredients with the dough hooks of the hand mixer at lowest speed for 3-4 minutes to a soft dough. Take the dough out of the bowl, place it on the lightly floured work surface and shape into a ball. Put the dough ball back into the bowl and cover with a clean tea towel. Place in a draught-free, warm place and leave to rest for about 1 hour until it has doubled in volume
Remove 200 g of dough from the ready risen dough, place in a bowl and cover with foil. Keep this dough in the refrigerator until the next baking. Melt the rest of the dough to a square on a well floured work surface and dust generously with flour
Cut the dough square diagonally in half with a dough card to form 2 triangles. Score each triangle with the straight edge of the dough card in a manner similar to a leaf vein. Carefully pull them apart with your fingers. Line the upside down side of a baking tray with baking paper and carefully place pieces of dough on top. Bake in the preheated oven (electric oven: 225 °C/ convection oven: 200 °C/ gas: see manufacturer) for 14-16 minutes until golden brown (splash water on the oven walls just before closing the oven door or pour a small glass of water on the bottom of the oven)
Waiting time approx. 1 hour