Cake or Death?

“Uh, death, please. No, cake! Cake! Cake, sorry. …”
So yeah i made a cake. A lemon cake. Except i only decided this at the last minute, mid way through making a plain sponge. So i mish-mashed a few recipes together and came up with this…
 
For the sponge:
Ingredients
110g/4oz butter or margarine
110g/4oz caster sugar
2 medium eggs
110g/4oz self [...]