You will need-
What to do.............get an adult
set the oven to 200°C/400°F/Gas Mark 6
Grease the tin, using a little margarine or butter.
Put all ingredients, except the icing sugar, into a large mixing bowl. Stand the bowl on a damp cloth to stop it slipping.
Beat the mixture together using a wooden spoon until there are no lumps left.
Pour the mixture into the greased tin and spread it out evenly.
Bake for 20 minutes until golden brown.
Remove from the oven and allow to cool. Then sieve the icing sugar over the cake and then cut into slices.