Cereal obviously
The same as you and me. Cereal, toast etc
crepes, croissants, toast, hot chocolate or coffee, quiche
With the breakfast itself either a tea, milk, milk coffee, or cocoa milk is served, pastries or bread are served with butter, jam, yogurt, sour cream and cheese, accompanied by bacon, sausages,...
Cereal or Bread & coffee - they only eat pastry in the weekends.