Instructions

1. 1
   Preheat the oven to . Grease and line a square cake tin.
2. 2
   Beat the butter and sugar in a mixing bowl, until soft and fluffy.
3. 3
   Beat in the eggs, one at a time, then lemon juice and zest.
4. 4
   Fold the flour and baking powder into the mixture.
5. 5
   Spoon the mixture into the cake tin.
6. 6
   Bake for 25 minutes until a skewer inserted into the center comes out clean.
7. 7
   Transfer the cake to a wire rack and leave it to cool.
8. 8
   Mix the icing sugar and lemon juice in a bowl until it is thick enough to coat the back of spoon.
9. 9
   Drizzle the icing over the cake.
10. 10
    Enjoy!