Pick a bowl. Add the oil, the nesquik powder, and the sugar, mix until get a homogeneous mixture. (You can use a fork or a whisk for this step, I recommend a fork).
Now add the eggs and keep mixing.
Add the flour! Keep mixing until get (again) a homogeneous mixture.
You're finishing! Just put the mixture into a baking dish and bake 20-25min 180°.