Ingredients:  
2 cups plain flour
1 cup sugar
75g/2½ oz cornflour
4 tsp baking powder
4 eggs
1 tbsp vanilla essence
100ml/3½ fl oz vegetable oil
100ml/3½ fl oz milk
3 tbsp lemon juice
Icing sugar

Method:
1. Preheat the oven to 200°C/fan 180°C and grease and line a base of 9½ inch round tin with baking paper.
2. Put the flour, sugar, cornflour and baking powder into a large bowl.
3. Add eggs, vanilla essence, oil and milk and mix until smooth.
4. Transfer to the prepared cake tin and bake for approx 45-50 mins or until a skewer inserted in the middle of the cake comes out clean. Leave to cool and remove from the tin.
5. Put the lemon juice into a small bowl and keep adding icing sugar until the icing has a consistency of honey. Drizzle over the cake and serve.