To remove the baked parchment paper neatly, pull it gently but steadily whilst keeping it very low and parallel to the sponge.
To obtain 8 servings, slice across the centre in parallel with the long length, then make 4 perpendicular cuts.
The best way to ensure accurate measurement of ingredients is with Metric Kitchen Scales. They are inexpensive and take up very little space. Click
HERE for the ones I use. For U.S. option click
HERE.