Take the dough sheets out of the refrigerator and let them rest at room temperature for about 10 minutes. Fold "ice cream cones" out of extra-strong aluminium foil (approx. 12 cm long). Melt butter. Take out 2 slices of filo pastry, close the rest of the package tightly and use it for other purposes
Cut the dough slices diagonally in half. Brush each half slice with butter and wrap around the aluminium foil as an "ice-cream cone". Place the ice cream cones on a baking tray lined with baking paper and bake in a preheated oven (electric range: 200 °C/ convection oven: 175 °C/ gas: level 3) for approx. 6 minutes, turning over (put on gloves!). Take out and let cool down
Wash the strawberries and drain well. Cut 6 strawberries in half and set aside for decoration. Put approx. 150 g strawberries and 3 tbsp. sugar in a tall cup and puree finely. Finely dice remaining strawberries. Mix quark, strawberry cubes, 5 tbsp. sugar and vanillin sugar well. Using an ice-cream scoop, fill the bags with strawberry quark and serve with strawberry puree and halved strawberries