Mix sugar, white cooking fat and margarine in a bowl until it becomes white.

Combine all purpose flour and baking powder in a separate bowl.

Crack 7 eggs into the sugar-margarine mixture and alternate with the flour as you mix.

Add lemon shavings and lemon juice into the batter and mix. Add glycerine and combine into the mixture then pour the batter into your baking tin. Bake for an hour at 180°C