Beat margarine, granulated sugar and vanilla sugar until smooth

Add the eggs one by one while continuing to beat

Pour in butter-vanilla oil

add the flour mixture, a little, pour in a little milk, repeat with the flour and milk, ending with the flour

pour it into a baking pan that has been filled with margarine and lined with baking paper (I used a square pan because I wanted to make a cake like in the photo, but if you want you can use a tub pan, etc.)

Bake until cooked in preheated oven 1 hour to 1 hour 15 minutes (or until cooked)

Cool before carving or decorating