Recipes for larger layer cakes mix and bake one layer at a time, so you can mix a manageable amount of batter and re-use a single large tin. The recipe uses UK medium eggs (approx 60g/2¼oz).
A Victoria sponge cake is popular for a reason ... then add in the vanilla and mix again. In another bowl, mix together the flour, cornflour, baking powder and salt. Beat one egg into the creamed ...
Luckily, Mary Berry’s simple sponge cake has exactly that ... Put the cocoa powder and boiling water into a large bowl and mix well to make a paste. Add the remaining ingredients and beat ...