Preheat the oven to 180C, Gas Mark 4
Grease a loaf tin
Cream together the butter and sugar until smooth.
Add the flour, eggs and lemon zest and mix
Pour the mixture into the loaf tin
Bake for 30 - 35 minutes until a skewer put in the middle comes out clean
Mix together the sugar and lemon juice for the drizzle
Make holes in the cake with a skewer
Pour the drizzle over the top
Leave to cool