If using a baking TIN or Pyrex, it will need to be buttered, lined with parchment paper and buttered again before you pour the cake mixture into it. Do make sure you use same-size bakeware, otherwise the result will be affected.
The layers will develop only if you follow the recipe PRECISELY.
Metric kitchen scales are an inexpensive yet invaluable gadget to ensure accurate measurement of ingredients. Store them upright in a cupboard or over your worktop and they'll only take up a tiny bit of space. Click
HERE for the ones I use. For U.S. option click
HERE.