Easy Speedy Gonzales Cake

Easy cake which you can make for a very short time.
For the crust is needed:

3 eggs,
15 spoons of sugar,
1 cup oil
1 cup milk
15 tablespoons of flour,
1 sachet of baking powder.

For the topping is needed:

20 tablespoons milk
3 tablespoons cocoa,
15 spoons of sugar,
A little margarine.

Preparation of this cake:

Whisk eggs with sugar.
Add oil, milk and flour mixed with baking powder.
Pour into a greased baking sheet sprinkled with flour.
Bake until golden brown.
Chilled crust cut into cubes.
For the topping, mix together sugar and cocoa.
Add milk and margarine.
Boil and pour over cooled cake.